*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970004004
1970000000
1971000000
1972001001
1973000000
1974002002
1975002002
1976000000
1977000000
1978000000
1979000000
1980001001
1981001001
1982000000
1983000000
1984000000
1985001001
1986000000
1987000000
1988000000
1989000000
1990001001
1991000000
1992001001
1993001001
1994001001
1995001001
1996003003
1997003003
1998006006
1999002002
2000005005
200100130013
2002003003
2003009009
2004002002
2005000000
2006004004
2007003003
2008004004
2009003003
2010004004
2011001001
2012005005
2013007007
2014006006
2015007007
201600110011
201700120012
201800190019
201900100010
2020008008
202100230023
202200300030
2023000000
2024000000
Total0022000220