*Excludes Observations that spanned multiple years

Pre 197026
19700
19710
19722
19731
19742
19751
19766
19772
19783
19791
19801
19813
19822
19835
19842
19851
19863
19871
19880
19890
19900
19910
19921
19931
19942
19953
19963
19970
19981
19992
20002
20014
20020
20032
20042
20050
20062
20071
20082
20094
20102
20116
20123
20131
20143
20151
20165
20178
20184
20192
202013
202128
202227
202313
202415
Total225