*Excludes Observations that spanned multiple years

Pre 19701
19700
19710
19720
19730
19740
19750
19760
19770
19780
19791
19800
19810
19820
19830
19841
19850
198613
19870
19882
19890
19900
19915
19927
19938
19948
19954
199610
19978
19980
19990
20000
20012
20020
20030
20041
20057
20063
20072
20080
20091
20105
20113
20122
20139
20144
20156
201616
201712
201810
201919
202015
202116
202215
202326
20241
Total243