*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970022004
1970000000
1971010001
1972000000
1973000000
1974010001
197512620029
1976000000
1977002002
1978000000
1979020002
1980011002
1981002002
1982011002
1983001001
1984000000
1985002002
1986101002
1987020002
1988020002
1989135009
1990150006
1991050005
1992022004
1993021003
199401850023
199505690065
1996222100034
19977961300116
199844470055
199962980043
200008990098
20011151400156
200201763300209
200351793200216
200412787300352
200522197900300
200611974800246
200703961900415
200812662200289
200901372400161
201022563100289
201104705600526
2012259610300701
201311827000253
2014096600102
201531321300148
201601722900201
201783152400347
201801931100204
201902212600247
202011572700185
202111141200127
2022074160090
2023000000
Total525386841006279