No chart image found

*Excludes Observations that spanned multiple years

Pre 19700
19700
19712
19729
19730
19740
19750
19761
19770
19780
19790
19800
19812
19820
19832
19841
19850
19860
19874
19884
198910
19909
19916
19929
19933
19940
199512
19965
19972
19982
19995
20003
20012
20020
20030
20040
20050
20060
20070
20084
20090
20108
20117
20120
20130
20140
20150
20162
20170
20180
201911
20200
20210
Total125