*Excludes Observations that spanned multiple years

Pre 19704
19701
19712
19720
19730
19741
19750
19761
19773
19781
19791
19801
19812
19822
19833
19840
19852
19860
19871
19882
19893
19907
19912
19927
19939
19946
199526
199631
199714
199816
199916
200020
200110
200210
20034
200414
200511
200613
200715
200820
200917
201019
201122
201226
201329
201426
201532
201627
201719
201822
201920
202015
202125
202215
20235
20240
Total600