*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19707323072105
1970003036
1971020079
1972001067
19730150511
1974013048
197543060646
197601301014
1977011001223
19781140915
19791490923
1980315120838
198101301317
198202501522
1983021001527
198401601320
198501701422
198603601423
198701801019
19881101301337
1989091801744
19900481811986
19910212511259
1992042501241
19931323301682
1994312044017184
1995641231012461
19961210133013159
1997591925018967
1998861735012672
1999141939010469
2000364235122703
2001181528017861
20021921760101008
200311197480111257
200481347500181423
20055854116018993
200649971330131147
2007610881010211216
20082672155716852
20095564193027789
20101013041650251504
201179652711371281
2012613742070381625
201337222540341013
201457502670631085
2015777741401341332
2016577248612161480
20172099258102271820
2018387363411641675
2019785763831301635
202077967080681579
20216109661201121826
2022712105180981833
202301140116
20240090615
Total18224368717616194233684