*Excludes Observations that spanned multiple years

Pre 197034
19700
19710
19722
19730
19741
19752
19761
19774
19784
19790
19800
19810
19820
19830
19840
19850
19862
19870
19880
19890
19901
19911
19920
19930
19940
19951
19960
19970
19980
19990
20000
20011
20021
20036
20040
20050
20060
20070
20080
20090
20100
20110
20120
20130
20140
20150
20162
20171
20180
20191
20200
20210
20221
20230
20240
Total66