*Excludes Observations that spanned multiple years

Pre 19701
19701
19710
19722
19730
19740
19755
19764
19774
19780
19790
19800
19810
19820
19831
19840
19850
19860
19870
19880
19890
19900
19912
19921
19930
19941
19952
19960
19970
19982
19990
20000
20011
20020
200333
20040
20050
200616
200716
200820
200913
201019
201133
20120
20130
20140
20150
20161
20170
20180
20190
20200
20213
20220
20233
20240
Total184