*Excludes Observations that spanned multiple years

Pre 19700
19701
19710
19720
19730
19741
19750
19762
19770
19780
19791
19800
19811
19820
19830
19840
19850
19860
19870
19880
19890
19900
19910
19920
19931
19940
19950
19960
19971
19980
19990
20000
20011
20020
20032
20040
20051
20060
20070
20080
20090
20103
20114
20122
20131
20143
20152
20164
20177
201810
201922
202036
202178
202266
202370
202429
Total349