*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19731
19741
19750
19760
19770
19780
19791
19800
19811
19820
19832
19841
19850
19860
19870
19880
19890
19900
19910
19921
19930
19941
19950
19960
19970
19980
19990
20001
20012
20020
20030
20040
20050
20062
20070
20080
20090
20105
20114
20120
20138
20141
20152
20164
20172
20186
20194
202013
20215
20223
20230
20240
Total71