*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19750
19760
19771
19780
19791
19801
19812
19820
19834
19840
19851
19860
19871
19880
19890
19900
19911
19920
19935
19941
19950
19962
19973
19980
19990
20000
20011
20022
20030
20040
20050
20061
20070
20080
20091
20100
20110
20122
20134
20143
20150
20162
20172
20186
201915
20207
202136
202218
202319
202411
Total153