*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970002024
1970000000
1971000000
1972000000
1973000000
1974000011
1975000000
1976001001
1977000000
1978000000
1979001001
1980000000
1981000011
1982000000
1983000000
1984000000
1985001001
1986000000
1987002013
1988002002
1989001001
1990002002
1991004004
1992005005
1993001001
1994003003
199500130013
1996006006
1997002013
1998002002
1999001001
2000005005
2001007007
2002008008
2003002002
2004006006
2005001001
2006002013
2007007018
2008006017
200900110011
2010006017
2011005005
2012008019
201300140014
2014005005
201500230124
201600290029
201700280129
201800200020
201900320234
202000290029
202100420143
202200320032
2023001001
2024000000
Total00378016394