*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970130501129
1970001001
1971000011
1972000000
1973000011
1974001001
1975002002
1976001012
1977203005
19784190115
1979211120135
198080130223
198116340124
198220880036
19831310490173
19842213350070
198571161900142
1986336150054
1987163360055
1988352370175
198902250027
1990227170147
1991392440085
19926985104132
199320118800119
199424428100147
1995103280041
199689650082
1997461610100163
199815129715130
199911149803126
2000402810002170
20014746201114
200276691285
2003263640093
20041112520075
2005104490265
2006223500277
200773700080
200896630280
200944600270
2010101840499
20117910403123
201220996010135
201326513207170
201435916109214
20156212305011390
2016906355027478
20176513482011571
20184823350016437
2019258388012433
2020187288127341
202121136807397
2022231245013282
202390220132
2024003014
Total1086496496732066758