*Excludes Observations that spanned multiple years

Pre 19706
19701
19714
19720
19730
19741
19753
19762
19770
19780
19792
19801
19811
19824
19831
19841
198566
198633
1987111
1988163
198934
199029
1991157
1992166
1993215
199460
1995245
1996169
1997159
199821
199999
200058
200179
200236
200375
200499
200557
200670
200775
200886
2009101
2010110
201176
201290
201391
201494
201573
201696
201763
201878
2019170
202036
202182
202262
202322
20240
Total3633