*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19750
19760
19770
19780
19791
19801
19810
19821
19831
19840
19850
19860
19870
19880
19890
19900
19910
19920
19930
19940
19950
19960
19970
19980
19991
20001
20013
20020
20033
20041
20051
20061
20072
20083
20091
20103
20111
20125
20134
20141
20151
20160
20171
20184
201915
202013
202113
202219
202330
20240
Total131