*Excludes Observations that spanned multiple years

Pre 197033
19700
19711
19720
19730
19741
19750
19760
19772
19780
19790
19800
19811
19820
19830
19840
19850
19861
19870
19880
19893
19900
19910
19921
19935
19941
19953
19960
19971
19980
19991
20000
20010
20020
20030
20040
20050
20065
20074
200810
20092
20103
20111
20120
20130
20142
20150
20160
20171
20182
20192
202010
202113
20223
202314
20246
Total132