*Excludes Observations that spanned multiple years

Pre 19708
19700
19710
19720
19730
19740
19752
19760
19770
19780
19790
19800
19810
19820
19830
19842
19850
19861
19875
19880
19890
19900
19912
19920
19931
19941
19952
19960
19971
19980
19993
20000
20011
20024
20030
20040
20051
20064
20070
20081
20091
20101
20111
20120
20131
20141
20152
201610
20173
20187
201912
20207
20214
202211
202330
20244
Total134