*Excludes Observations that spanned multiple years

Pre 19707
19700
19710
19720
19732
19740
19751
19761
19770
19781
19790
19800
19811
19820
19830
19840
19851
19860
19870
19880
19890
19900
19910
19921
19931
19942
19951
19961
19970
19981
19991
20000
20010
20020
20032
20040
20050
20060
20071
20081
20092
20101
20111
20121
20131
20141
20150
20161
20171
20181
20190
20200
20210
20220
20231
20240
Total37