*Excludes Observations that spanned multiple years

Pre 1970105
19700
19710
19721
19730
19740
19750
19765
19773
19786
19792
19800
19813
19822
19830
19840
19850
19861
19870
19880
19890
19900
19911
19920
19936
19940
19953
19969
199759
19981
199911
20001
20019
20027
20031
20040
20050
20066
20072
20081
20090
20100
20112
20121
20130
20140
20150
20162
20170
20181
20190
20200
20212
20221
20230
20240
Total254