*Excludes Observations that spanned multiple years

Pre 197033
19701
19711
19720
19730
19740
19750
19762
19770
19781
19794
19800
19811
19821
19833
19841
19859
19868
19872
19881
19893
19903
19911
19925
19932
19944
19958
199619
199736
19983
19996
200013
200125
200214
200346
200456
200579
200679
200734
20085
200914
201057
201143
201255
201332
201421
201547
201646
201717
201828
201924
202025
202119
202217
20231
20240
Total955