*Excludes Observations that spanned multiple years

Pre 19701
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19875
19882
19890
19901
19911
19920
19931
19945
19950
19961
19970
19981
19991
20000
20011
20022
20034
20040
20050
20061
20070
20080
20091
20102
20111
20120
20131
20140
20150
20165
20175
20186
20198
20202
20210
202211
202312
20242
Total83