No chart image found

*Excludes Observations that spanned multiple years

Pre 19703
19700
19712
19720
19730
19740
19751
19760
19770
19780
19790
19801
19811
19820
19830
19843
19850
19861
19877
19881
198910
19904
19912
19921
19931
19944
19953
19960
19971
19981
19999
200010
20010
20024
20034
200415
20054
20061
20075
200826
20098
20101
20112
20120
20134
20140
20150
20161
20170
20182
20190
20201
20215
20224
20234
20240
Total157