*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19750
19761
19770
19780
19790
19800
19810
19821
19830
19841
19850
19860
19870
19882
19890
19900
19910
19920
19930
19940
19951
19961
19976
19980
19990
20000
20010
20021
20030
20040
20050
20060
20070
20080
20091
20104
20111
20121
20132
20141
20150
20162
20170
20181
20191
20201
20211
20223
202310
20240
Total43