| File | Size | File | Size | File | Size | File | Size |
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| 0bs-05-July-2018.pdf | 26,512 K | obs-09-August-2018.pdf | 27,013 K | obs-16-July-2018.pdf | 25,176 K | obs-24-August-2018.pdf | 25,167 K |
| obs-01-April-2018.pdf | 29,273 K | obs-09-December-2018.pdf | 27,834 K | obs-16-June-2018.pdf | 28,909 K | obs-24-December-2018.pdf | 24,037 K |
| obs-01-August-2018.pdf | 26,929 K | obs-09-February-2018.pdf | 26,225 K | obs-16-March-2018.pdf | 26,421 K | obs-24-February-2018.pdf | 30,062 K |
| obs-01-December-2018.pdf | 30,475 K | obs-09-January-2018.pdf | 95,637 K | obs-16-May-2018.pdf | 26,576 K | obs-24-January-2018.pdf | 26,845 K |
| obs-01-February-2018.pdf | 26,420 K | obs-09-July-2018.pdf | 25,776 K | obs-16-November-2018.pdf | 27,308 K | obs-24-June-2018.pdf | 31,097 K |
| obs-01-July-2018.pdf | 26,823 K | obs-09-June-2018.pdf | 30,578 K | obs-16-October-2018.pdf | 25,310 K | obs-24-March-2018.pdf | 29,561 K |
| obs-01-June-2018.pdf | 26,269 K | obs-09-March-2018.pdf | 26,314 K | obs-16-September-2018.pdf | 27,978 K | obs-24-May-2018.pdf | 26,482 K |
| obs-01-March-2018.pdf | 26,074 K | obs-09-May-2018.pdf | 25,928 K | obs-16April-2018.pdf | 25,734 K | obs-24-November-2018.pdf | 29,471 K |
| obs-01-November-2018.pdf | 24,413 K | obs-09-November-2018.pdf | 23,474 K | obs-17-April-2018.pdf | 28,567 K | obs-24-November-2018.pdf.pdf | 29,471 K |
| obs-01-October-2018.pdf | 25,585 K | obs-09-October-2018.pdf | 29,190 K | obs-17-August-2018.pdf | 25,110 K | obs-24-October-2018.pdf | 25,777 K |
| obs-01-September-2018.pdf | 28,554 K | obs-09-September-2018.pdf | 28,574 K | obs-17-December-2018.pdf | 24,015 K | obs-24-September-2018.pdf | 25,838 K |
| obs-02-August-2018.pdf | 27,800 K | obs-10-April-2018.pdf | 28,793 K | obs-17-February-2018.pdf | 31,740 K | obs-25-April-2018.pdf | 25,684 K |
| obs-02-December-2018.pdf | 25,078 K | obs-10-August-2018.pdf | 27,777 K | obs-17-January-2018.pdf | 27,586 K | obs-25-August-2018.pdf | 28,821 K |
| obs-02-February-2018.pdf | 25,652 K | obs-10-December-2018.pdf | 23,539 K | obs-17-July-2018.pdf | 26,912 K | obs-25-February-2018.pdf | 29,016 K |
| obs-02-January-2018.pdf | 26,480 K | obs-10-February-2018.pdf | 35,460 K | obs-17-June-2018.pdf | 30,835 K | obs-25-January-2018.pdf | 25,817 K |
| obs-02-July-2018.pdf | 26,183 K | obs-10-January-2018.pdf | 27,360 K | obs-17-March-2018.pdf | 31,956 K | obs-25-July-2018.pdf | 29,960 K |
| obs-02-June-2018.pdf | 31,177 K | obs-10-July-2018.pdf | 26,669 K | obs-17-May-2018.pdf | 26,572 K | obs-25-June-2018.pdf | 26,079 K |
| obs-02-March-2018.pdf | 29,878 K | obs-10-June-2018.pdf | 25,130 K | obs-17-November-2018.pdf | 29,024 K | obs-25-March-2018.pdf | 28,573 K |
| obs-02-May-2018.pdf | 25,795 K | obs-10-March-2018.pdf | 30,120 K | obs-17-October-2018.pdf | 25,332 K | obs-25-May-2018.pdf | 25,932 K |
| obs-02-November-2018.pdf | 23,653 K | obs-10-November-2018.pdf | 28,981 K | obs-17-September-2018.pdf | 25,436 K | obs-25-November-2018.pdf | 25,894 K |
| obs-02-October-2018.pdf | 26,018 K | obs-10-October-2018.pdf | 25,662 K | obs-18-April-2018.pdf | 58,217 K | obs-25-October-2018.pdf | 26,044 K |
| obs-02-September-2018.pdf | 29,879 K | obs-10-September-2018.pdf | 24,251 K | obs-18-August-2018.pdf | 29,552 K | obs-25-September-2018.pdf | 25,270 K |
| obs-03-April-2018.pdf | 25,606 K | obs-11-April-2018.pdf | 26,176 K | obs-18-December-2018.pdf | 25,359 K | obs-26-April-2018.pdf | 27,245 K |
| obs-03-August-2018.pdf | 26,172 K | obs-11-August-2018.pdf | 31,032 K | obs-18-February-2018.pdf | 29,242 K | obs-26-August-2018.pdf | 27,531 K |
| obs-03-December-2018.pdf | 23,660 K | obs-11-December-2018.pdf | 24,406 K | obs-18-January-2018.pdf | 27,526 K | obs-26-February-2018.pdf | 26,246 K |
| obs-03-February-2018.pdf | 30,680 K | obs-11-February-2018.pdf | 31,370 K | obs-18-July-2018.pdf | 26,841 K | obs-26-January-2018.pdf | 25,780 K |
| obs-03-January-2018.pdf | 24,662 K | obs-11-January-2018.pdf | 26,896 K | obs-18-June-2018.pdf | 25,680 K | obs-26-July-2018.pdf | 26,426 K |
| obs-03-July-2018.pdf | 26,349 K | obs-11-July-2018.pdf | 27,197 K | obs-18-March-2018.pdf | 29,834 K | obs-26-June-2018.pdf | 26,501 K |
| obs-03-June-2018.pdf | 24,096 K | obs-11-June-2018.pdf | 26,341 K | obs-18-May-2018.pdf | 26,279 K | obs-26-March-2018.pdf | 25,929 K |
| obs-03-May-2018.pdf | 27,491 K | obs-11-March-2018.pdf | 29,355 K | obs-18-November-2018.pdf | 28,652 K | obs-26-May-2018.pdf | 29,807 K |
| obs-03-November-2018.pdf | 28,425 K | obs-11-May-2018.pdf | 25,571 K | obs-18-October-2018.pdf | 25,322 K | obs-26-November-2018.pdf | 25,481 K |
| obs-03-October-2018.pdf | 25,905 K | obs-11-November-2018.pdf | 25,958 K | obs-18-September-2018.pdf | 25,448 K | obs-26-October-2018.pdf | 25,324 K |
| obs-04-April-2018.pdf | 25,521 K | obs-11-October-2018.pdf | 25,341 K | obs-19-August-2018.pdf | 26,019 K | obs-26-September-2018.pdf | 25,579 K |
| obs-04-August-2018.pdf | 31,448 K | obs-11-September-2018.pdf | 25,758 K | obs-19-December-2018.pdf | 25,680 K | obs-27-April-2018.pdf | 27,422 K |
| obs-04-December-2018.pdf | 23,610 K | obs-12-April-2018.pdf | 31,553 K | obs-19-February-2018.pdf | 26,210 K | obs-27-August-2018.pdf | 24,116 K |
| obs-04-January-2018.pdf | 27,505 K | obs-12-August-2018.pdf | 26,093 K | obs-19-January-2018.pdf | 25,282 K | obs-27-December-2018.pdf | 23,816 K |
| obs-04-July-2018.pdf | 27,711 K | obs-12-December-2018.pdf | 24,511 K | obs-19-July-2018.pdf | 26,313 K | obs-27-February-2018.pdf | 26,637 K |
| obs-04-June-2018.pdf | 25,859 K | obs-12-February-2018.pdf | 27,055 K | obs-19-June-2018.pdf | 26,343 K | obs-27-January-2018.pdf | 29,391 K |
| obs-04-March-2018.pdf | 28,707 K | obs-12-January-2018.pdf | 26,745 K | obs-19-March-2018.pdf | 25,448 K | obs-27-July-2018.pdf | 28,836 K |
| obs-04-May-2018.pdf | 26,397 K | obs-12-July-2018.pdf | 26,661 K | obs-19-May-2018.pdf | 26,110 K | obs-27-June-2018.pdf | 27,980 K |
| obs-04-November-2018.pdf | 28,827 K | obs-12-June-2018.pdf | 27,006 K | obs-19-November-2018.pdf | 24,734 K | obs-27-March-2018.pdf | 26,886 K |
| obs-04-October-2018.pdf | 26,877 K | obs-12-May-2018.pdf | 30,007 K | obs-19-October-2018.pdf | 24,313 K | obs-27-May-2018.pdf | 28,618 K |
| obs-04-September-2018.pdf | 28,844 K | obs-12-November-2018.pdf | 24,612 K | obs-19-September-2018.pdf | 27,837 K | obs-27-November-2018.pdf | 24,674 K |
| obs-05-April-2018.pdf | 26,874 K | obs-12-Observer-2018.pdf | 27,055 K | obs-20-August-2018.pdf | 25,167 K | obs-27-October-2018.pdf | 31,999 K |
| obs-05-August-2018.pdf | 26,594 K | obs-12-October-2018.pdf | 24,670 K | obs-20-December-2018.pdf | 25,498 K | obs-27-September-2018.pdf | 27,963 K |
| obs-05-December-2018.pdf | 23,841 K | obs-12-September-2018.pdf | 26,074 K | obs-20-February-2018.pdf | 30,086 K | obs-28-April-2018.pdf | 32,752 K |
| obs-05-February-2018.pdf | 25,746 K | obs-13-April-2018.pdf | 29,310 K | obs-20-July-2018.pdf | 26,455 K | obs-28-August-2018.pdf | 17,211 K |
| obs-05-July-2018.pdf | 26,512 K | obs-13-August-2018.pdf | 25,857 K | obs-20-June-2018.pdf | 27,087 K | obs-28-December-2018.pdf | 24,274 K |
| obs-05-June-2018.pdf | 26,126 K | obs-13-December-2018.pdf | 25,126 K | obs-20-March-2018.pdf | 26,223 K | obs-28-February-2018.pdf | 26,954 K |
| obs-05-March-2018.pdf | 25,603 K | obs-13-February-2018.pdf | 26,562 K | obs-20-May-2018.pdf | 26,770 K | obs-28-January-2018.pdf | 30,219 K |
| obs-05-May-2018.pdf | 30,161 K | obs-13-January-2018.pdf | 29,462 K | obs-20-November-2018.pdf | 25,364 K | obs-28-July-2018.pdf | 30,926 K |
| obs-05-November-2018.pdf | 23,425 K | obs-13-July-2018.pdf | 27,223 K | obs-20-October-2018.pdf | 28,174 K | obs-28-June-2018.pdf | 26,664 K |
| obs-05-October-2018.pdf | 24,730 K | obs-13-June-2018.pdf | 25,601 K | obs-20-September-2018.pdf | 27,774 K | obs-28-March-2018.pdf | 25,152 K |
| obs-05-September-2018.pdf | 21,554 K | obs-13-March-2018.pdf | 26,362 K | obs-21-April-2018.pdf | 29,682 K | obs-28-May-2018.pdf | 26,635 K |
| obs-05-September-Supplement-2018.pdf | 24,446 K | obs-13-May-2018.pdf | 28,889 K | obs-21-August-2018.pdf | 25,076 K | obs-28-November-2018.pdf | 25,416 K |
| obs-06 August-2018.pdf | 25,069 K | obs-13-November-2018.pdf | 24,919 K | obs-21-December-2018.pdf | 23,476 K | obs-28-October-2018.pdf | 29,213 K |
| obs-06-April-2018.pdf | 26,614 K | obs-13-October-2018.pdf | 29,868 K | obs-21-February-2018.pdf | 27,407 K | obs-28-September-2018.pdf | 25,246 K |
| obs-06-August-2018.pdf | 25,069 K | obs-13-September-2018.pdf | 25,440 K | obs-21-January-2018.pdf | 28,791 K | obs-29-April-2018.pdf | 26,714 K |
| obs-06-December-2018.pdf | 23,772 K | obs-14-April-2018.pdf | 24,680 K | obs-21-July-2018.pdf | 31,827 K | obs-29-August-2018.pdf | 25,229 K |
| obs-06-February-2018.pdf | 26,754 K | obs-14-August-2018.pdf | 25,604 K | obs-21-June-2018.pdf | 26,810 K | obs-29-December-2018.pdf | 28,062 K |
| obs-06-July-2018.pdf | 27,224 K | obs-14-December-2018.pdf | 23,931 K | obs-21-March-2018.pdf | 25,764 K | obs-29-January-2018.pdf | 26,256 K |
| obs-06-June-2018.pdf | 26,526 K | obs-14-February-2018.pdf | 26,680 K | obs-21-May-2018.pdf | 25,286 K | obs-29-July-2018.pdf | 25,440 K |
| obs-06-March-2018.pdf | 25,878 K | obs-14-January-2018.pdf | 31,204 K | obs-21-November-2018.pdf | 25,251 K | obs-29-June-2018.pdf | 28,532 K |
| obs-06-May-2018.pdf | 28,761 K | obs-14-January-2018.pdf.pdf | 25,182 K | obs-21-October-2018.pdf | 24,107 K | obs-29-March-2018.pdf | 26,200 K |
| obs-06-November-2018.pdf | 23,533 K | obs-14-July-2018.pdf | 30,416 K | obs-22-April-2018.pdf | 29,587 K | obs-29-May-2018.pdf | 26,326 K |
| obs-06-October-2018.pdf | 31,175 K | obs-14-June-2018.pdf | 26,528 K | obs-22-August-2018.pdf | 25,056 K | obs-29-November-2018.pdf | 25,133 K |
| obs-07-April-2018.pdf | 29,833 K | obs-14-March-2018.pdf | 26,551 K | obs-22-December-2018.pdf | 28,004 K | obs-29-October-2018.pdf | 25,404 K |
| obs-07-August-2018.pdf | 26,800 K | obs-14-May-2018.pdf | 26,521 K | obs-22-February-2018.pdf | 25,984 K | obs-29-September-2018.pdf | 29,425 K |
| obs-07-December-2018.pdf | 23,534 K | obs-14-November-2018.pdf | 26,070 K | obs-22-January-2018.pdf | 26,228 K | obs-30-April-2018.pdf | 25,255 K |
| obs-07-February-2018.pdf | 27,118 K | obs-14-October-2018.pdf | 27,915 K | obs-22-July-2018.pdf | 27,773 K | obs-30-August-2018.pdf | 26,280 K |
| obs-07-July-2018.pdf | 31,290 K | obs-14-September-2018.pdf | 27,077 K | obs-22-June-2018.pdf | 26,492 K | obs-30-December-2018.pdf | 28,764 K |
| obs-07-June-2018.pdf | 26,425 K | obs-15-April-2018.pdf | 29,691 K | obs-22-March-2018.pdf | 27,516 K | obs-30-January-2018.pdf | 26,397 K |
| obs-07-March-2018.pdf | 26,647 K | obs-15-August-2018.pdf | 29,298 K | obs-22-May-2018.pdf | 25,650 K | obs-30-July-2018.pdf | 25,542 K |
| obs-07-May-2018.pdf | 24,740 K | obs-15-December-2018.pdf | 27,884 K | obs-22-November-2018.pdf | 24,855 K | obs-30-June-2018.pdf | 31,124 K |
| obs-07-November-2018.pdf | 23,178 K | obs-15-February-2018.pdf | 26,213 K | obs-22-October-2018.pdf | 24,870 K | obs-30-May-2018.pdf | 26,843 K |
| obs-07-September-2018.pdf | 25,958 K | obs-15-January-2018.pdf | 27,845 K | obs-23- August- 2018.pdf | 25,295 K | obs-30-November-2018.pdf | 25,250 K |
| obs-08-April-2018.pdf | 28,889 K | obs-15-July-2018.pdf | 26,882 K | obs-23-April-2018.pdf | 25,800 K | obs-30-October-2018.pdf | 23,791 K |
| obs-08-August-2018.pdf | 26,568 K | obs-15-June-2018.pdf | 25,434 K | obs-23-August-2018.pdf | 25,295 K | obs-30-September-2018.pdf | 29,442 K |
| obs-08-December-2018.pdf | 28,658 K | obs-15-March-2018.pdf | 26,227 K | obs-23-December-2018.pdf | 26,926 K | obs-30-September2018.pdf | 29,442 K |
| obs-08-February-2018.pdf | 27,072 K | obs-15-May-2018.pdf | 26,736 K | obs-23-February-2018.pdf | 25,610 K | obs-31-August-2018.pdf | 25,978 K |
| obs-08-January-2018.pdf | 60,360 K | obs-15-November-2018.pdf | 25,823 K | obs-23-January-2018.pdf | 28,058 K | obs-31-December-2018.pdf | 24,904 K |
| obs-08-July-2018.pdf | 26,429 K | obs-15-October-2018.pdf | 33,221 K | obs-23-June-2018.pdf | 31,154 K | obs-31-January-2018.pdf | 27,349 K |
| obs-08-June-2018.pdf | 27,145 K | obs-15-September-2018.pdf | 28,631 K | obs-23-March-2018.pdf | 26,434 K | obs-31-July-2018.pdf | 26,425 K |
| obs-08-March-2018.pdf | 26,229 K | obs-16-April-2018.pdf | 25,734 K | obs-23-May-2018.pdf | 25,995 K | obs-31-March-2018.pdf | 30,790 K |
| obs-08-May-2018.pdf | 26,703 K | obs-16-August-2018.pdf | 26,045 K | obs-23-November-2018.pdf | 24,948 K | obs-31-May-2018.pdf | 26,579 K |
| obs-08-November-2018.pdf | 26,390 K | obs-16-December-2018.pdf | 26,601 K | obs-23-October-2018.pdf | 25,730 K | obs-31-October-2018.pdf | 24,297 K |
| obs-08-October-2018.pdf | 24,551 K | obs-16-February-2018.pdf | 26,275 K | obs-23-September-2018.pdf | 28,319 K | obs-4-February-2018.pdf | 28,970 K |
| obs-08-September-2018.pdf | 28,651 K | obs-16-January-2018.pdf | 30,389 K | obs-24-April-2018.pdf | 26,930 K | right.html | 46 K |
| obs-09-April-2018.pdf | 26,727 K | | | | | | |