*Excludes Observations that spanned multiple years

Pre 197011
197023
197139
197222
197318
197441
19757
19763
19779
197832
197980
19801
198169
19826
198312
198435
198512
19866
19875
198820
198931
199031
199146
199228
199352
199454
199568
199655
199765
199863
1999120
2000194
2001232
2002156
200352
200428
200526
200642
200719
200815
200949
201049
201141
201241
201324
201448
201546
201623
201723
201824
201926
202018
20214
20222
Total2246