*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
1996000000
1997001001
1998000000
1999000000
2000001001
2001000000
2002000000
2003000000
2004001001
2005002002
2006000000
2007001001
2008001001
2009202026
2010106029
20110070411
20120090413
201302150421
201412400952
2015014601259
201611100022124
2017327101692
201822120018142
201942104017127
202003109019131
202113158021183
202215110019135
2023009009
2024000000
Total162391301691121