*Excludes Observations that spanned multiple years

Pre 19702
19701
19710
19720
19730
19740
19750
19761
19770
19780
19791
19802
19810
19820
19830
19841
19852
19863
19871
19882
19891
19902
19916
199231
199323
19942
199514
19964
19973
19980
199910
200011
200113
200215
20030
20046
20050
200616
20072
20085
20096
201014
201115
20121
20132
20147
20150
20161
20178
20184
201912
20201
20215
20222
202317
20240
Total275