*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970011002
1970000000
1971010001
1972000000
1973000000
1974000000
1975020002
1976001001
1977003003
1978001001
1979021003
1980011002
1981012003
1982001001
1983012003
1984001001
1985110002
1986021003
1987221005
1988043007
19890820010
199001210013
19911840013
199201040014
19930870015
1994127120040
1995038120050
199624670055
199711011300115
19980921100103
1999258120072
20002931600111
2001171160088
2002163250089
20030871900106
200401341700151
200511443900184
2006058250083
20071604200103
20080704200112
20090845300137
20100875100138
20110547100125
201201755800233
201301264100167
201402413800279
201513247700402
2016127310400378
2017130810000409
2018232611000438
201913838600470
2020033517000505
2021139311600510
202214506100512
2023025007
2024000000
Total2447671486006277