*Excludes Observations that spanned multiple years

Pre 197057
19700
19710
19720
19731
19741
19756
19762
19773
19782
19794
19804
19812
19821
19836
19841
19852
19861
19873
19882
19898
19905
199154
199248
199312
199411
1995108
199614
199772
199846
1999193
20001239
20011765
2002296
20032292
20041148
20052195
20061130
2007939
20081099
20092631
20102245
20113034
20121426
20131113
20141008
20151217
20162093
2017972
20181172
20191016
2020540
2021965
202297
20230
Total32301