*Excludes Observations that spanned multiple years

Pre 197055
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
2000855
2001558
2002291
20032292
20041146
20052193
20061128
2007931
20081089
20092234
20102243
20113028
20121417
20131111
2014997
20151207
20162085
2017952
20181022
2019827
202059
20211
20220
Total28333