*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970101703351
197000100111
1971003014
1972003014
1973003025
1974003036
1975022037
1976003069
19771150512
19780180615
19790070512
1980001078
19812480822
19820060713
1983013059
1984004048
19850080412
19860160411
19870180817
1988011101022
1989073901460
19900285311395
1991026560789
1992037270670
199308640114141
1994120452017274
1995323842111295
1996021338010261
199719435019149
19980842208114
19991163001158
2000016141018220
2001114542020208
2002013570010215
200359350217167
2004115860010229
200503949115104
200604558017120
2007017648020244
200827531011119
2009084801874
201035765017142
201102992017138
201207695022193
20132107120026255
20141107141042291
20150129167066362
20162178210070460
20171177264067509
20184194266072536
20192220273067562
2020550673178663
2021849650082636
202211402246091750
202353393140109767
202464083640127905
2025211310448
2026001012
Total71551638227136710783