*Excludes Observations that spanned multiple years

Pre 19704
19700
19711
19720
19731
19740
19752
19760
19771
19781
19791
19801
19811
19820
19830
19840
19853
19860
19870
19881
19891
19900
19912
199239
199327
199414
199527
19966
19970
19980
19995
20007
20013
20021
20030
20040
20050
20061
20070
200812
20097
20102
20111
20120
20131
20140
20150
20161
20173
20184
20193
20203
20214
202210
202330
20240
Total231