*Excludes Observations that spanned multiple years

Pre 19708
19700
19710
19720
19730
19740
19751
19760
19770
19781
19791
19801
19810
19820
19831
19840
19850
19860
19870
19880
19891
19900
19910
19920
19930
19941
19950
19961
19970
19980
19990
20000
20012
20020
20032
20040
20050
20061
20071
20082
20092
20100
20111
201212
20130
20140
20153
20161
20170
201811
20191
20200
20212
20221
20235
20240
Total63