*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970153009
1970000000
1971001001
1972002002
1973010001
1974022004
1975012003
1976024006
1977006006
1978110002
1979023005
1980021003
1981011002
1982024006
1983031004
1984025007
1985035008
198606110017
198702140016
198808100018
1989015120027
1990030130043
1991225180045
1992223250050
19933953000128
199431664400213
1995111242200157
199651293200166
199771635100221
199861954000241
199941192400147
2000112294000280
200181863700231
200251775300235
200382945500357
200433539700453
200562668700359
2006525313400392
2007421214900365
2008629418300483
2009817222900409
2010718238300572
201158939600490
20121248330400799
201336622391001049
201440798339001177
201540966461011468
2016561105500001661
2017431379570001992
2018501543612002205
2019561601650002307
2020291879864002772
2021361752791002579
2022341770641002445
202341360041
202400110011
Total5571773383990126690