*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970000000
1970000000
1971000000
1972000000
1973000000
1974000000
1975000000
1976000000
1977000000
1978000000
1979000000
1980000000
1981000000
1982000000
1983000000
1984000000
1985000000
1986000000
1987000000
1988000000
1989000000
1990000000
1991000000
1992000000
1993000000
1994000000
1995000000
1996002002
1997001001
1998000000
1999000000
2000001001
2001000000
2002002013
2003000000
2004001001
2005010001
2006121004
2007002002
2008001001
2009014005
2010033006
2011005005
2012004026
2013022004
20140650112
2015034029
20161460314
2017010130023
2018013270646
20190193201061
2020028350871
2021018500674
2022130200859
2023000000
Total3140221047411