*Excludes Observations that spanned multiple years

Pre 197014
19700
19711
19721
19730
19740
19751
19762
19770
19781
19790
19800
19810
19821
19830
19840
19850
19861
19870
19882
19891
19900
19910
19920
19931
19941
19951
19961
19973
19981
19992
20000
20014
20021
20035
20044
20050
20061
20071
20083
20090
20102
20112
20120
20131
20141
20151
20160
20171
20182
20192
20200
20211
20221
20230
20240
Total68