*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970210140026
1970003003
197101000010
1972001001
1973001001
1974021003
1975023005
1976002002
1977025007
1978022004
1979033006
1980115007
1981013004
1982025007
1983015006
1984043007
1985122005
1986026008
198715100016
1988135009
19893870018
199022880038
199191550130
1992719180145
199315681800101
199442063000240
1995101062100137
199661541500175
199752732701306
199861882000214
199931941300210
2000112693000310
200172402701275
200223404300385
200365324000578
200438463800887
200564056500476
2006638010400490
200794709500574
200876058000692
20091533713400486
20101641219800626
2011522922000454
20121552714300685
20131667217000858
2014241149188001361
201545887260001192
201627816296001139
2017441137303001484
201832998369001399
2019411223377001641
2020161293511001820
202113989402001404
2022151225301001541
202306140020
2024000000
Total4571729846690422428