*Excludes Observations that spanned multiple years

Pre 197069
197012
19711
19721
19733
19742
19750
19765
19777
197811
197912
198014
198111
19825
198315
19843
19852
19861
19871
19884
19891
19901
19912
19920
19931
19941
19955
19963
199712
19986
19995
20007
20015
20023
20035
200415
200513
200611
20074
200815
200912
201023
201114
201210
201328
201433
201523
20169
20173
20187
20198
202014
202113
202212
202314
202413
Total530