*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970003003
1970000000
1971001001
1972001001
1973001001
1974000000
1975001001
1976001001
1977003003
1978001001
1979001001
1980001001
1981000000
1982000000
1983000000
1984000000
1985000000
1986002002
1987002002
1988000000
1989003003
1990002002
1991005005
1992001001
1993001001
1994002002
1995000000
1996002002
1997002002
1998007007
1999002002
2000004004
2001000000
2002004004
2003001001
2004001001
2005001001
2006000000
2007001001
2008002002
2009001001
2010001001
2011002002
2012000000
2013002002
2014001001
2015000000
2016003003
2017007007
2018005005
2019001001
2020003003
2021006006
2022004004
2023000000
2024000000
Total00950095