*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19750
19760
19770
19780
19791
19801
19810
19820
19830
19841
19850
19860
19870
19880
19890
19900
19912
19922
19930
19940
19950
19960
19977
19980
19992
20009
20010
20022
20030
20040
20050
20062
20070
20084
20094
20109
201116
20122
20133
20140
20150
20160
201710
201823
201920
202011
202127
202216
202333
20240
Total207