*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19750
19761
19770
19780
19792
19802
19811
19822
19832
19841
19851
19860
19871
19880
19891
19901
19912
19920
19937
19941
19951
199611
19976
19982
19992
20006
20011
20020
20030
20040
20053
20061
20070
20082
20091
20106
201121
20126
201321
201415
201530
201639
201747
201844
201923
202027
202152
202225
20232
20240
Total419