*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19821
19831
19840
19850
19861
19870
19880
19890
19900
19910
19920
19930
19942
19950
19961
19973
19981
19990
20002
20010
20020
20031
20040
20059
20061
20072
20084
20098
201011
201112
20121
20130
20140
20151
20162
20171
20181
20199
20206
20212
202214
202328
20243
Total131