*Excludes Observations that spanned multiple years

Pre 19709
19700
19712
19720
19731
19740
19751
19760
19770
19781
19790
19800
19810
19820
19830
19840
19850
19860
19871
19880
19891
19901
19910
19920
19930
19940
19950
19961
19970
19980
19991
20000
20011
20021
20031
20041
20051
20061
20070
20081
20091
20106
20117
20120
20132
20140
20150
20161
20170
20181
20192
20200
20214
20222
20230
20240
Total52