*Excludes Observations that spanned multiple years

Pre 19708
19700
19711
19720
19730
19740
19752
19760
19770
19782
19790
19800
19810
19820
19830
19840
19852
19866
19875
19884
19890
19901
19914
19920
19931
19941
19957
19960
19975
19980
19993
20003
20017
20024
20031
20044
20051
20065
20072
20086
20095
20106
20116
20122
201317
20141
20150
20160
20170
20187
20198
202011
202113
202212
20233
20242
Total178