*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001001
1970000000
1971001001
1972001001
1973000000
1974000000
1975000000
1976002002
1977000000
1978000000
1979000000
1980000000
1981001001
1982000000
1983002002
1984000000
1985002002
1986001001
1987000000
1988000000
1989000000
1990000000
1991000000
1992003003
1993002002
1994000000
1995000000
1996000000
1997000000
1998000000
1999000000
2000000000
2001001001
2002000000
2003001001
2004000000
2005000000
2006001001
2007000000
2008000000
2009002002
2010000000
2011001001
2012000000
2013000000
2014000000
2015000000
2016004004
2017000000
2018002002
2019001001
2020000000
2021000000
2022000000
2023000000
2024000000
Total00290029