*Excludes Observations that spanned multiple years

Pre 197048
19701
19710
19724
19730
19744
19750
19760
19772
197821
19793
19805
198112
19828
19838
19846
19855
19861
19874
19884
19891
19901
19911
19923
199312
19944
19954
199612
199713
19985
199910
200013
200114
20029
200348
200442
200529
200668
20072
20081
200911
201034
201169
201250
201320
201416
201526
201640
201717
201814
201935
202022
202119
202213
20230
20240
Total814