*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19733
19741
19750
19760
19770
19781
19791
19802
19810
19820
19830
19841
19850
19860
19870
19880
19890
19900
19910
19920
19930
19941
19951
19960
19970
19980
19993
20000
20010
20020
20030
20040
20050
20060
20070
20080
20090
201015
201124
20124
20131
20146
20152
201612
20177
20188
201917
202027
202126
202225
20232
20240
Total190