*Excludes Observations that spanned multiple years

Pre 19701
19700
19712
19720
19730
19740
19750
19760
19770
19780
19791
19800
19810
19820
19830
19840
19851
19860
19870
19882
19890
19900
19913
19921
19934
19942
19958
19966
19979
19983
19990
20000
20013
20020
20031
20040
20051
200611
20072
20080
20091
20100
20111
20121
20132
20140
20150
20160
20171
20181
20190
20201
20210
20221
20233
20240
Total73