*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
20041147
20052193
20061130
2007932
20081093
20092623
20102243
20113028
20121418
20131111
20141004
20151212
20162086
2017960
20181170
20191012
2020536
2021943
202212
Total32114