*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19770
19780
19791
19803
19810
19820
19830
19840
19852
19860
19870
19880
19895
199016
19911
19922
19930
19940
19950
19962
19970
19980
19990
20000
20010
20020
20034
20040
20050
20060
20073
20081
20091
20104
20112
20121
20131
20143
20150
20162
20171
20180
20191
20200
20210
20221
20230
20240
Total59