*Excludes Observations that spanned multiple years

Pre 197019
19700
19710
19720
19730
19740
19752
19763
197710
19780
19790
19800
19810
19820
19830
19840
19850
19860
19871
19880
19890
19900
199122
199219
19930
19940
19950
19960
19970
19980
19990
20000
20010
20020
20030
20040
20050
20060
20070
20080
20090
20100
20110
20122
20130
20140
20150
20160
20170
20180
20194
202010
20211
20220
20230
20240
Total93