*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970130501129
1970001001
1971000011
1972000000
1973000011
1974001001
1975002002
1976001012
1977203005
19784180114
1979211120135
198080130223
198116340124
198220880036
19831310490173
19842213350070
198571161900142
1986336150054
1987163350054
1988352370175
198902250027
1990227170147
1991392440085
19926985104132
199320118800119
199423428100146
1995103280041
199689650082
1997461610100163
199815129715130
199911149803126
2000402810002170
20014746101113
200276691285
2003263640093
20041112520075
2005104490265
2006223490276
200773690079
200896630280
200944600270
201091840498
20117910303122
201220996010135
201326513207170
201435916009213
20156212304011389
2016916353025475
20176513478011567
20184623346014429
2019248383012427
2020197283127337
202123136107392
2022251229013268
2023000000
Total1078496489132006668