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*Excludes Observations that spanned multiple years

Pre 19702
19700
19711
19720
19730
19740
19750
19760
19770
19782
19790
19800
19810
19820
19830
19842
19858
19867
19877
19884
19890
19902
19914
19920
19931
19941
19957
19960
19975
19980
19993
20003
20017
20024
20031
20043
20051
20064
20072
20086
20093
20106
20116
20122
201317
20141
20150
20160
20170
20181
20190
20201
20210
Total124