*Excludes Observations that spanned multiple years

Pre 19709
19700
19710
19720
19730
19740
19751
19760
19770
19780
19790
19800
19810
19821
19830
19840
19850
19860
19870
19880
19891
19900
199135
19924
199319
19942
19955
199614
19974
19981
199919
20007
20016
20023
20033
20040
20051
20060
20071
20080
20092
20102
20110
20121
20132
20141
20153
20160
20170
20181
20190
20200
20212
20220
20233
20240
Total153