*Excludes Observations that spanned multiple years

Pre 19701
19700
19710
19720
19732
19740
19751
19760
19770
19780
19790
19800
19810
19821
19830
19841
19850
19861
19871
19880
19893
19900
19912
19926
199312
19943
19952
19963
19971
19980
19993
20002
20011
20020
20030
20040
20050
20061
20070
20081
20090
20101
20114
20124
20130
20141
20152
20163
20170
20180
20190
20200
20210
20220
20230
Total63