*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970000000
1970000000
1971001001
1972000000
1973000000
1974000000
1975000000
1976001001
1977001001
1978000000
1979000000
1980000000
1981000000
1982001001
1983000000
1984000000
1985000000
1986000000
1987003003
1988000000
1989001001
1990000000
1991002002
1992003003
1993001001
1994002002
1995001001
1996006006
1997003003
1998001001
1999004004
2000004004
2001005005
2002001001
2003005005
2004003003
2005007007
2006004004
200700110011
2008006006
2009008008
201000220022
2011005005
2012000000
2013007007
2014005005
2015004004
2016006006
201700130013
201800110011
201900210021
202000120012
202100170017
2022005005
2023000000
2024000000
Total0021300213