*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197002206266
1970001012
1971000044
1972000055
1973002068
1974001034
1975001056
197601101012
19770030710
1978001056
1979002068
19801030812
198100301013
1982002057
19830020911
198400101213
198501401318
198600301316
198702401218
198801201316
1989041401129
19901441919
199124180933
199225901329
19933191201448
19943331201765
1995158811583
19960371001360
1997021601845
19982301001254
1999013901234
20001531602191
20011181301850
200206225014101
200316928018116
20041432002286
20051353711993
200606337020120
200718655026168
200813745019102
200931459026102
201023969025135
201103672038146
2012083139034256
2013193143135273
20145139143055342
20154118212270406
201621332320105472
20176130317093546
201841322871109533
20191183364285635
202031695100157839
202111904630155809
202231802750141599
202302140218
2024013004
Total5723433728916597796