*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19770
19780
19792
19800
19810
19822
19831
19841
19850
19860
19874
19887
19891
19900
19910
19923
19930
19942
19955
19962
19971
19980
19991
20000
20010
20023
20030
20040
20050
20064
20071
20085
20092
20101
20110
20121
20130
20140
20150
20161
20175
201810
201954
202032
202152
202271
202394
202422
Total392