*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19751
19760
19772
19781
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19890
19900
19911
19920
19930
19941
19951
19960
19970
19981
19995
20000
20014
20020
20032
20040
20050
20061
20070
20081
20093
20102
20110
20121
20132
201414
20150
20162
20171
20181
20191
20202
20212
20221
20230
20240
Total55