*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19761
19770
19780
19790
19800
19810
19820
19831
19840
19850
19861
19870
19880
19890
19901
199128
19920
19930
19941
19950
19960
19970
19980
19992
20000
20010
20020
20030
20040
20050
20060
20070
20086
20093
20100
20110
20121
20130
20140
20150
20160
20173
20182
20190
20201
20213
20226
202317
20240
Total79