No chart image found

*Excludes Observations that spanned multiple years

Pre 19700
19701
19710
19720
19730
19740
19751
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19871
19880
19891
19902
199163
19926
19935
19941
19951
19960
19970
19980
19995
20002
20011
20020
20031
20040
20052
20061
20070
200810
20099
20100
20110
20120
20130
20140
20150
20161
20171
20180
20190
20200
20210
20221
20230
20240
Total116