*Excludes Observations that spanned multiple years

Pre 197036
19700
19710
19720
19730
19741
19750
19760
19775
19782
19790
19800
19810
19822
19830
19840
19850
19861
19870
19880
19890
19900
19910
19920
19930
19940
19950
19961
19972
19980
19990
20005
20010
20020
20033
20040
20050
20060
20070
20080
20090
20100
20110
20122
20130
20141
20150
20163
20171
20180
20191
20200
20210
20221
20230
20240
Total67