*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970731507297
1970003036
1971020079
1972001067
19730150511
1974013048
197543050645
197601301014
1977011001223
19781140915
19791490923
1980315120838
198101301317
198202501522
1983021001527
198401601320
198501501420
198603601423
198701801019
19881101301337
1989091801744
19900481811986
19910212511259
1992042501241
19931323301682
1994312044017184
1995641231012461
19961210133013159
1997591925018967
1998861735012672
1999141939010469
2000364235122703
2001181527017860
20021921760101008
200311197480111257
200481347500181423
20055854116018993
200649971330131147
2007610881010211216
20082672155716852
20095564193027789
20101013041650251504
201179652711371281
2012613742070381625
201347212540341013
201457502670631085
2015977541401341332
2016777048612161480
20172398958002261818
2018786863411641674
2019785763331301630
2020107937070671577
20217109561101101823
20221012075180981833
2023002013
Total20124347713516193233631