*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001001
1970000000
1971000000
1972000000
1973000000
1974000000
1975000000
1976000000
1977000000
1978000000
1979001001
1980000000
1981000000
1982000000
1983000000
1984000000
1985000000
1986001001
1987002013
1988006017
1989000011
1990002002
1991004004
1992003003
1993000000
1994005005
1995004004
1996003003
1997004004
1998001001
1999004004
2000001001
2001006006
2002005005
2003006017
2004002002
2005001001
2006003003
2007005005
2008007007
2009004004
2010002013
2011007007
201200100111
201300100414
2014003003
201500110011
201600140014
201700150318
201800250025
201900100010
202000240024
202100150116
2022001001
2023002002
2024000000
Total00230014244