*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19753
19760
19770
19780
19790
19801
19811
19821
19832
19842
19850
19860
19870
19880
19890
19903
199137
199228
19931
19943
19956
19962
19974
19982
19994
20002
20019
20020
20031
20040
20050
20061
20070
20080
20090
201015
20115
20120
20135
20147
20151
20160
20175
201820
201983
20208
20216
202215
202313
20240
Total296