*Excludes Observations that spanned multiple years

Pre 19700
19700
19711
19720
19730
19740
19750
19760
19770
19782
19790
19800
19810
19820
19830
19840
19851
19861
19870
19884
19890
19901
19913
19921
199310
19943
19952
19964
19972
19980
19990
20004
20012
20023
20034
20045
20051
20060
20071
20088
20095
20103
20111
20121
20130
20140
20150
20160
20172
20181
20193
20204
202110
20228
20233
20245
Total109