*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970000000
1970000000
1971000000
1972000000
1973000000
1974000000
1975011002
1976001001
1977000000
1978000000
1979000000
1980000000
1981000000
1982000000
1983000000
1984000000
1985000000
1986000000
1987000000
1988000000
1989000000
1990000000
1991000000
1992000000
1993000000
1994000000
1995000000
1996000000
1997000000
1998000000
1999000000
2000000000
2001000000
2002000000
2003000000
2004000000
2005000000
2006030003
2007030003
2008010001
2009100001
2010010001
2011001001
2012020002
2013011002
2014000000
2015010001
2016060006
2017010001
2018000000
2019000000
2020053008
2021022004
2022052007
2023000000
2024000000
Total132110044