*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19800
19811
19821
19830
19840
19851
19860
19870
19885
19893
19905
19911
19920
19933
19941
199512
19962
19970
19981
199910
200016
20016
20024
20036
20041
20051
20060
20070
20081
20090
20103
20111
20123
20132
20142
20150
20160
20170
20181
20195
20205
20210
20223
20230
20240
Total109