*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19722
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19861
19872
19880
19890
19901
19915
19925
19934
19941
199528
199617
199727
199823
199923
20000
20010
20020
20033
20040
200514
20061
20070
20080
20092
20100
20110
20121
20132
20140
20150
20160
20170
20181
20190
20200
20211
20221
20230
20240
Total167