*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197013280133
1970006006
1971002002
1972101002
1973002002
1974121004
1975024006
1976013004
19770190212
1978014005
197910100011
1980105006
1981005005
1982009009
198301100011
198400120012
1985116008
198603100013
198706180024
198805120017
1989110170028
1990712140033
19911516260057
19921330260069
1993211133000164
1994183104600374
1995102363803287
1996112063300250
199731413802184
199872513600294
19993953100129
200093215801389
200151354400184
200262675601330
200392314500285
2004154245300492
200581357200215
2006837415201535
20071022010600336
2008412914200275
2009615719100354
2010914924000398
2011614623300385
20121630720200525
20132644840700881
20142555036900944
201537653570011261
201628722661031414
201755817768001640
201843766813021624
201929785669001483
2020369161000011953
202130702685001417
202233656538001227
20231715200124
20240725600128
Total56911599867401820860