*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19897
19909
19910
19922
19931
19940
19955
19963
19972
19980
19991
20000
200140
200212
20033
20041
20051
20060
20070
20081
20091
20104
20111
20124
20133
20142
20150
20162
20170
20180
20190
20201
20210
20220
20230
20240
Total108