*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19770
19780
19791
19800
19812
19824
19832
19841
19857
19860
19870
19886
19896
19902
19915
19921
19938
19940
19958
19960
19971
19980
19990
20002
20012
20023
20031
20040
20052
20060
20070
20083
20091
20100
20111
20121
20130
20140
20150
20165
20170
20180
20191
20204
20215
20223
20230
20240
Total90