*Excludes Observations that spanned multiple years

Pre 19707
19701
19710
19720
19731
19741
19751
19761
19770
19780
19792
19808
19812
19821
19832
19842
19852
19862
19871
19883
19894
19903
19911
19922
19932
19945
19954
19964
19979
199821
199926
200024
200115
20029
200312
200423
200512
200610
20078
200825
200945
201039
201142
201273
201339
201428
201528
20167
201718
20188
201938
20206
202117
202212
202313
20247
Total676