*Excludes Observations that spanned multiple years

Pre 19701
19700
19710
19720
19739
19740
19750
19760
19770
19781
19790
19800
19810
19821
19830
19840
19851
19860
19871
19880
19890
19900
19910
19920
19930
19940
19951
19960
19970
19981
19991
20001
20011
20020
20030
20040
20052
20060
20070
20084
20091
20103
20114
20120
20131
20141
20150
20160
20170
20180
20194
20202
20216
202216
202319
20240
Total82