*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700360514
1970013015
1971002013
1972001012
1973003025
1974002024
1975015028
1976012025
1977004048
1978013048
1979112048
1980002024
1981011035
19820150410
1983003058
1984015039
1985012036
198603101822
198705110622
198803140825
198915240737
199001561830
199128120426
1992018141942
199331041609132
199402802109310
1995331719012351
199632021407226
1997068901188
1998175120896
199901760326
2000147901168
20010711001192
200201192004143
20032972005124
200411721404191
2005021250854
2006250300991
20071843908132
2008045440493
20090214001071
20101695907136
20110546509128
201201024807157
201331698606264
20143191112012318
20151205123017346
20162282144016444
20174368254018644
2018341821208641
20192423269011705
202012585228020845
20216470238090804
20226452276030764
20232454270032758
20242584239015840
202505090059
2026001001
Total6867353123352910458