*Excludes Observations that spanned multiple years

Pre 197034
19700
19710
19720
19730
19740
19750
19762
19772
19780
19790
19800
19813
19820
19830
19840
19850
19861
19870
19880
19890
19900
19911
19923
19933
19940
19950
19965
19979
19980
19995
20000
20010
20020
20031
20040
20050
20062
20072
20080
20090
20100
20110
20120
20130
20140
20150
20165
20171
20180
20191
20200
20213
20220
20230
20240
Total83