*Excludes Observations that spanned multiple years

Pre 197035
19700
19710
19721
19730
19740
19751
19760
19771
19782
19790
19800
19810
19820
19830
19840
19850
19861
19871
19880
19890
19900
19910
19920
19933
19942
19950
19960
19970
19980
19990
20000
20010
20021
20035
20040
20050
20063
20076
20082
20090
20100
20110
20120
20130
20140
20150
20162
20171
20180
20190
20200
20212
20220
20230
20240
Total69