*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197012530525
1970000000
1971000022
1972000011
1973000011
1974010001
1975001001
1976000000
1977000022
1978100012
1979001001
1980000000
1981010001
1982002002
1983342009
1984001001
1985000022
1986001012
1987000000
1988010001
1989000000
1990000022
1991001001
1992000011
1993001001
1994012047
1995021014
1996000000
1997011013
1998003014
1999000011
2000000000
2001022004
2002001001
2003031004
2004012014
2005012003
2006006006
2007002103
2008034007
2009005005
2010033006
2011003003
2012013004
2013024028
2014042017
2015214240848
20160480214
20170470819
201802200325
201909210131
202025180631
202107200431
2022010340448
Total2091212166390