*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19702440010
1970000000
1971000000
1972000000
1973002002
1974000000
197543210037
1976000000
1977000000
1978001001
19790830011
198011030014
19811360010
198201170018
1983005005
1984000000
1985000000
1986002002
1987131005
1988054009
1989014005
19902820012
19915320010
1992122005
1993022004
199421770026
199517240077
199631620021
1997098900107
199803990048
1999122230046
2000016150031
200115250058
2002045150060
20031882300112
200421501900171
200541398000223
200601281500143
200742351400253
200801502000170
2009380130096
201011563800195
201122372900268
201212806200343
201331982700228
201412281400243
201532003100234
201611323900172
201731865200241
201811616500227
201951733600214
2020121084300163
202172244200273
202281894400241
2023008008
2024000000
Total873901864004852