*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970210140026
1970003003
197101000010
1972001001
1973001001
1974021003
1975023005
1976003003
1977025007
1978022004
1979033006
1980115007
1981014005
1982025007
1983015006
1984044008
1985123006
1986026008
198715100016
1988135009
19893870018
199022880038
199191460130
1992719180145
199315681800101
199442063000240
1995101062100137
199661541500175
199752732701306
199851872200214
199931941300210
2000112693000310
200172392801275
200223404300385
200365324000578
200438463800887
200564056500476
2006638010400490
2007947010100580
200876058100693
20091533713400486
20101641219800626
2011522922000454
20121552714300685
20131667217200860
2014241149189001362
201543887262001192
201627816297001140
2017421137305001484
201832998369001399
2019401223381001644
2020161293512001821
202113989402001404
2022151225301001541
202306140020
202401120013
Total4511729647090422460