*Excludes Observations that spanned multiple years

Pre 197043
19700
19710
19721
19730
19742
19750
19763
19775
19786
19790
19800
19810
19820
19830
19840
19850
19861
19872
19880
19890
19900
19911
19923
19930
19941
19950
19963
19970
19981
19990
20000
20010
20020
20031
20040
20050
20062
20071
20080
20090
20100
20110
20121
20133
20140
20150
20166
20171
20180
20191
20200
20214
20221
20230
20240
Total93