*Excludes Observations that spanned multiple years

Pre 197048
19701
19710
19720
19731
19741
19751
19763
19775
19783
19791
19800
19811
19820
19832
19841
19856
198619
198742
1988122
198951
199011
199147
199228
199322
1994128
1995141
199643
199733
199811
199941
200036
200111
200210
200337
200430
200536
200637
200748
200854
200946
201053
201138
201256
201357
201439
201536
201645
201746
201843
201943
202016
202118
202216
20230
20241
Total1665