*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970011002
1970000000
1971000000
1972000000
1973000000
1974000000
1975000000
1976000000
1977000000
1978000000
1979000000
1980000000
1981000000
1982000000
1983000000
1984000000
1985010001
1986000000
1987000000
1988000000
1989000000
1990000000
1991001001
1992000000
1993000000
1994010001
1995100001
1996002002
1997020002
1998021003
1999010001
2000011002
2001050005
2002032005
20030570012
200424930054
200502710028
2006032005
2007001001
2008054009
2009010001
2010001001
2011013004
2012030003
2013021003
2014060006
2015061007
2016013100023
2017051006
20180970016
201901630019
202001140015
20210910010
202201200012
2023000000
Total32005800261