*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970200002
1970000000
1971000000
1972000000
1973000000
1974000000
1975001012
1976000011
1977003014
1978000000
1979000000
1980001001
1981001001
1982003014
1983000011
1984000000
1985000000
1986042017
1987112004
1988015006
1989062008
199041910024
199121660024
199216170125
1993022160038
1994117140032
1995215280045
1996025130038
1997111270039
1998214320048
199929150127
2000112380051
200105350040
2002012450057
2003226320060
2004015330048
20052842801115
2006247260075
200703350038
200804430047
200923600065
20104657600145
2011012640177
2012023270454
201303240027
20140390012
2015107008
201600480048
2017000000
Total324838190141348