| File | Size | File | Size | File | Size | File | Size |
|---|
| obs-01-August-2017.pdf | 26,749 K | obs-09-December-2017.pdf | 29,167 K | obs-16-August-2017.pdf | 28,059 K | obs-23-December-2017.pdf | 30,517 K |
| obs-01-December-2017.pdf | 26,497 K | obs-09-February-2017.pdf | 45,566 K | obs-16-December-2017.pdf | 30,163 K | obs-23-February-2017.pdf | 46,494 K |
| obs-01-February-2017.pdf | 47,897 K | obs-09-January-2017.pdf | 25,965 K | obs-16-February-2017.pdf | 48,017 K | obs-23-January-2017.pdf | 49,650 K |
| obs-01-July-2017.pdf | 29,959 K | obs-09-July-2017.pdf | 27,968 K | obs-16-January-2017.pdf | 25,330 K | obs-23-July-2017.pdf | 28,730 K |
| obs-01-June-2017.pdf | 26,515 K | obs-09-June-2017.pdf | 26,074 K | obs-16-July-2017.pdf | 31,765 K | obs-23-June-2017.pdf | 25,000 K |
| obs-01-March-2017.pdf | 49,623 K | obs-09-March-2017.pdf | 48,850 K | obs-16-June-2017.pdf | 27,236 K | obs-23-March-2017.pdf | 52,661 K |
| obs-01-November-2017.pdf | 25,550 K | obs-09-May-2017.pdf | 48,708 K | obs-16-March-2017.pdf | 51,588 K | obs-23-May-2017.pdf | 26,301 K |
| obs-01-September-2017.pdf | 26,329 K | obs-09-November-2017.pdf | 26,661 K | obs-16-May-2017.pdf | 48,427 K | obs-23-November-2017.pdf | 27,688 K |
| obs-02-August-2017.pdf | 26,335 K | obs-09-October-2017.pdf | 25,578 K | obs-16-November-2017.pdf | 27,034 K | obs-23-October-2017.pdf | 26,185 K |
| obs-02-December-2017.pdf | 30,901 K | obs-09-September-2017.pdf | 31,546 K | obs-16-October-2017.pdf | 26,452 K | obs-24-December-2017.pdf | 28,400 K |
| obs-02-February-2017.pdf | 48,110 K | obs-10-April-2017.pdf | 46,897 K | obs-16-September-2017.pdf | 30,587 K | obs-24-February-2017.pdf | 48,690 K |
| obs-02-July-2017.pdf | 30,694 K | obs-10-August-2017.pdf | 26,229 K | obs-17-August-2017.pdf | 26,955 K | obs-24-January-2017.pdf | 48,845 K |
| obs-02-March-2017.pdf | 47,957 K | obs-10-December-2017.pdf | 35,762 K | obs-17-December- 2017.pdf | 31,648 K | obs-24-July-2017.pdf | 26,313 K |
| obs-02-November-2017.pdf | 26,051 K | obs-10-february-2017.pdf | 48,184 K | obs-17-December-2017.pdf | 30,858 K | obs-24-June-2017.pdf | 29,849 K |
| obs-02-October-2017.pdf | 25,293 K | obs-10-January-2017.pdf | 26,016 K | obs-17-January-2017.pdf | 26,376 K | obs-24-November-2017.pdf | 26,974 K |
| obs-02-September-2017.pdf | 28,837 K | obs-10-July-2017.pdf | 26,448 K | obs-17-July-2017.pdf | 26,517 K | obs-24-October-2017.pdf | 26,041 K |
| obs-03-April-2017.pdf | 48,803 K | obs-10-June-2017.pdf | 30,334 K | obs-17-June-2017.pdf | 29,281 K | obs-24-September-2017.pdf | 31,848 K |
| obs-03-August-2017.pdf | 25,793 K | obs-10-March-2017.pdf | 48,859 K | obs-17-May-2017.pdf | 49,085 K | obs-25-August-2017.pdf | 25,669 K |
| obs-03-February-2017.pdf | 48,037 K | obs-10-May-2017.pdf | 50,282 K | obs-17-November-2017.pdf | 29,024 K | obs-25-February-2017.pdf | 60,432 K |
| obs-03-January-2017.pdf | 25,510 K | obs-10-November-2017.pdf | 26,165 K | obs-17-October-2017.pdf | 28,661 K | obs-25-July-2017.pdf | 26,222 K |
| obs-03-July-2017.pdf | 25,348 K | obs-10-October-2017.pdf | 26,451 K | obs-17-September-2017.pdf | 30,625 K | obs-25-June-2017.pdf | 32,816 K |
| obs-03-June-2017.pdf | 30,341 K | obs-10-September-2017.pdf | 33,457 K | obs-18-April-2017.pdf | 48,334 K | obs-25-March-2017.pdf | 54,861 K |
| obs-03-March-2017.pdf | 48,342 K | obs-11- February-2017.pdf | 55,136 K | obs-18-August-2017.pdf | 26,675 K | obs-25-October-2017.pdf | 27,381 K |
| obs-03-May-2017.pdf | 47,975 K | obs-11-April-2017.pdf | 46,806 K | obs-18-December-2017.pdf | 26,580 K | obs-25-September-2017.pdf | 25,709 K |
| obs-03-November-2017.pdf | 26,566 K | obs-11-August-2017.pdf | 26,271 K | obs-18-January-2017.pdf | 26,355 K | obs-26-April-2017.pdf | 48,213 K |
| obs-03-October-2017.pdf | 26,615 K | obs-11-December-2017.pdf | 25,804 K | obs-18-July-2017.pdf | 25,585 K | obs-26-February-2017.pdf | 52,045 K |
| obs-04-April-2017.pdf | 48,534 K | obs-11-January-2017.pdf | 26,040 K | obs-18-June-2017.pdf | 28,212 K | obs-26-January-2017.pdf | 49,094 K |
| obs-04-August-2017.pdf | 25,531 K | obs-11-July-2017.pdf | 27,317 K | obs-18-March-2017.pdf | 58,049 K | obs-26-July-2017.pdf | 29,839 K |
| obs-04-December-2017.pdf | 26,336 K | obs-11-June-2017.pdf | 29,682 K | obs-18-May-2017.pdf | 27,588 K | obs-26-June-2017.pdf | 25,069 K |
| obs-04-February-2017.pdf | 59,965 K | obs-11-march-2017.pdf | 57,620 K | obs-18-November-2017.pdf | 30,797 K | obs-26-March-2017.pdf | 54,543 K |
| obs-04-Janruary-2017.pdf | 25,995 K | obs-11-November-2017.pdf | 29,817 K | obs-18-October-2017.pdf | 26,420 K | obs-26-October-2017.pdf | 25,555 K |
| obs-04-July-2017.pdf | 26,726 K | obs-11-October-2017.pdf | 26,992 K | obs-18-September-2017.pdf | 25,820 K | obs-26-September-2017.pdf | 26,503 K |
| obs-04-June-2017.pdf | 28,290 K | obs-11-September-2017.pdf | 26,402 K | obs-19-April-2017.pdf | 110,253 K | obs-27-April-2017.pdf | 50,570 K |
| obs-04-March-2017.pdf | 48,845 K | obs-12-April-2017.pdf | 48,244 K | obs-19-April-Supplement-2017.pdf | 58,702 K | obs-27-August-2017.pdf | 33,357 K |
| obs-04-May-2017.pdf | 50,937 K | obs-12-December-2017.pdf | 26,895 K | obs-19-December-2017.pdf | 26,645 K | obs-27-December-2017.pdf | 30,469 K |
| obs-04-November-2017.pdf | 29,652 K | obs-12-February-2017.pdf | 50,995 K | obs-19-February-2017.pdf | 54,196 K | obs-27-February-2017.pdf | 46,995 K |
| obs-04-October-2017.pdf | 26,639 K | obs-12-January-2017.pdf | 33,132 K | obs-19-January-2017.pdf | 25,373 K | obs-27-January-2017.pdf | 26,412 K |
| obs-05-April-2017.pdf | 49,809 K | obs-12-July-2017.pdf | 26,679 K | obs-19-July-2017.pdf | 26,955 K | obs-27-July-2017.pdf | 26,290 K |
| obs-05-December-2017.pdf | 27,285 K | obs-12-June-2017.pdf | 25,620 K | obs-19-June-2017.pdf | 25,849 K | obs-27-June-2017.pdf | 25,881 K |
| obs-05-February-2017.pdf | 71,207 K | obs-12-March-2017.pdf | 54,824 K | obs-19-March-2017.pdf | 65,057 K | obs-27-March-2017.pdf | 47,047 K |
| obs-05-January-2017.pdf | 38,474 K | obs-12-May-2017.pdf | 48,243 K | obs-19-May-2017.pdf | 27,111 K | obs-27-May-2017.pdf | 30,794 K |
| obs-05-July-2017.pdf | 26,873 K | obs-12-November-2017.pdf | 28,890 K | obs-19-November-2017.pdf | 32,021 K | obs-27-November-2017.pdf | 26,639 K |
| obs-05-March-2017.pdf | 49,300 K | obs-12-October-2017.pdf | 26,381 K | obs-19-October-2017.pdf | 26,844 K | obs-27-October-2017.pdf | 28,735 K |
| obs-05-May-2017.pdf | 48,639 K | obs-12-September-2017.pdf | 25,911 K | obs-19-September-2017.pdf | 27,212 K | obs-27-September-2017.pdf | 28,337 K |
| obs-05-November-2017.pdf | 31,010 K | obs-13-April-2017.pdf | 46,630 K | obs-20-April-2017.pdf | 50,243 K | obs-28-April-2017.pdf | 47,834 K |
| obs-05-October-2017.pdf | 26,504 K | obs-13-August-2017.pdf | 30,151 K | obs-20-August-2017.pdf | 30,364 K | obs-28-August-2017.pdf | 25,383 K |
| obs-05-September-2017.pdf | 25,436 K | obs-13-December-2017.pdf | 26,888 K | obs-20-December-2017.pdf | 27,903 K | obs-28-December-2017.pdf | 26,991 K |
| obs-05-September-Supplement-2017.pdf | 22,826 K | obs-13-February-2017.pdf | 47,256 K | obs-20-February-2017.pdf | 46,816 K | obs-28-January-2017.pdf | 29,128 K |
| obs-06-December-2017.pdf | 27,117 K | obs-13-January-2017.pdf | 33,581 K | obs-20-January-2017.pdf | 24,982 K | obs-28-July-2017.pdf | 25,884 K |
| obs-06-February-2017.pdf | 48,264 K | obs-13-July-2017.pdf | 27,227 K | obs-20-July-2017.pdf | 26,764 K | obs-28-June-2017.pdf | 27,709 K |
| obs-06-January-2017.pdf | 26,218 K | obs-13-June-2017.pdf | 28,110 K | obs-20-June-2017.pdf | 26,409 K | obs-28-November-2017.pdf | 26,910 K |
| obs-06-July-2017.pdf | 27,038 K | obs-13-March-2017.pdf | 52,735 K | obs-20-March-2017.pdf | 49,806 K | obs-28-October-2017.pdf | 30,638 K |
| obs-06-June-2017.pdf | 26,297 K | obs-13-May-2017.pdf | 57,034 K | obs-20-May-2017.pdf | 30,615 K | obs-28-September-2017.pdf | 26,799 K |
| obs-06-March-2017.pdf | 47,933 K | obs-13-November-2017.pdf | 25,803 K | obs-20-November-2017.pdf | 26,436 K | obs-29-August-2017.pdf | 27,086 K |
| obs-06-May-2017.pdf | 56,013 K | obs-13-October-2017.pdf | 27,003 K | obs-20-October-2017.pdf | 25,835 K | obs-29-December-2017.pdf | 27,939 K |
| obs-06-November-2017.pdf | 25,983 K | obs-13-September-2017.pdf | 26,887 K | obs-20-September-2017.pdf | 27,022 K | obs-29-January-2017.pdf | 27,495 K |
| obs-06-October-2017.pdf | 26,985 K | obs-14-August-2017.pdf | 25,685 K | obs-21-April-2017.pdf | 48,533 K | obs-29-July-2017.pdf | 29,749 K |
| obs-07-August-2017.pdf | 26,317 K | obs-14-December-2017.pdf | 26,896 K | obs-21-August-2017.pdf | 26,236 K | obs-29-June-2017.pdf | 28,237 K |
| obs-07-December-2017.pdf | 26,367 K | obs-14-February-2017.pdf | 48,599 K | obs-21-December-2017.pdf | 26,828 K | obs-29-May-2017.pdf | 25,486 K |
| obs-07-February-2017.pdf | 47,864 K | obs-14-July-2017.pdf | 28,937 K | obs-21-January-2017.pdf | 55,476 K | obs-29-November-2017.pdf | 35,906 K |
| obs-07-July-2017.pdf | 26,500 K | obs-14-June-2017.pdf | 26,762 K | obs-21-July-2017.pdf | 26,001 K | obs-29-October-2017.pdf | 30,913 K |
| obs-07-June-2017.pdf | 26,213 K | obs-14-March-2017.pdf | 52,253 K | obs-21-June-2017.pdf | 27,226 K | obs-29-september-2017.pdf | 26,520 K |
| obs-07-March-2017.pdf | 49,607 K | obs-14-May-2017.pdf | 56,952 K | obs-21-March-2017.pdf | 49,136 K | obs-30- May-2017.pdf | 33,501 K |
| obs-07-May-2017.pdf | 52,085 K | obs-14-November-2017.pdf | 26,534 K | obs-21-May-2017.pdf | 28,732 K | obs-30-August-2017.pdf | 27,094 K |
| obs-07-November-2017.pdf | 26,505 K | obs-14-October-2017.pdf | 29,642 K | obs-21-November-2017.pdf | 29,835 K | obs-30-December-2017.pdf | 111,023 K |
| obs-07-October-2017.pdf | 30,274 K | obs-14-September-2017.pdf | 25,831 K | obs-21-October-2017.pdf | 29,452 K | obs-30-January-2017.pdf | 25,932 K |
| obs-07-September-2017.pdf | 26,605 K | obs-15-April-2017.pdf | 53,872 K | obs-21-September-2017.pdf | 27,311 K | obs-30-July-2017.pdf | 35,314 K |
| obs-08-April-2017.pdf | 54,818 K | obs-15-August-2017.pdf | 26,801 K | obs-22-April-2017.pdf | 56,687 K | obs-30-June-2017.pdf | 26,000 K |
| obs-08-August-2017.pdf | 26,545 K | obs-15-December-2017.pdf | 27,180 K | obs-22-August-2017.pdf | 27,189 K | obs-30-May-2017.pdf | 25,328 K |
| obs-08-December-2017.pdf | 26,827 K | obs-15-February-2017.pdf | 46,487 K | obs-22-December-2017.pdf | 27,059 K | obs-30-November-2017.pdf | 28,180 K |
| obs-08-January-2017.pdf | 29,932 K | obs-15-January-2017.pdf | 28,037 K | obs-22-February-2017.pdf | 49,387 K | obs-30-October-2017.pdf | 25,912 K |
| obs-08-June-2017.pdf | 27,047 K | obs-15-July-2017.pdf | 29,482 K | obs-22-January-2017.pdf | 52,550 K | obs-31-August-2017.pdf | 28,331 K |
| obs-08-March-2017.pdf | 49,911 K | obs-15-June-2017.pdf | 29,007 K | obs-22-June-2017.pdf | 26,361 K | obs-31-December-2017.pdf | 30,682 K |
| obs-08-May-2017.pdf | 46,176 K | obs-15-May-2017.pdf | 47,555 K | obs-22-March-2017.pdf | 51,594 K | obs-31-July-2017.pdf | 27,219 K |
| obs-08-November-2017.pdf | 26,665 K | obs-15-November-2017.pdf | 27,026 K | obs-22-November-2017.pdf | 27,274 K | obs-31-March-2017.pdf | 47,577 K |
| obs-08-September-2017.pdf | 25,767 K | obs-15-October-2017.pdf | 28,011 K | obs-22-October-2017.pdf | 31,600 K | obs-31-May-2017.pdf | 25,986 K |
| obs-09-April-2017.pdf | 53,368 K | obs-15-September-2017.pdf | 26,099 K | obs-23-April-2017.pdf | 64,921 K | obs-31-October-2017.pdf | 27,240 K |
| obs-09-August-2017.pdf | 26,589 K | obs-16-April-2017.pdf | 52,331 K | obs-23-August-2017.pdf | 26,855 K | right.html | 41 K |