*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19770
19780
19791
19801
19810
19820
19830
19841
19851
19860
19870
19881
19892
19900
19910
19920
19931
19943
19953
19961
19970
19980
19990
20000
200110
20020
20031
20040
20050
20060
20070
20080
20090
20101
20113
20122
20130
20140
20152
20160
20170
20182
20195
20201
20211
20222
20230
20240
Total47