*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970113005
1970000000
1971000000
1972000000
1973000000
1974000000
1975000000
1976000000
1977000000
1978010001
1979000000
1980000000
1981001001
1982010001
1983000000
1984000000
1985001001
1986000000
1987007007
1988016007
1989014005
1990061007
1991260008
1992123006
199302140025
199406390072
199506040064
199606630069
199703530038
199801700017
199901110012
200004610047
200102070027
200201830021
200302060026
200403030033
200502370030
200601870025
200702490033
200806840072
200902110013
2010024130037
2011012100022
2012031130044
2013074230097
20140773000107
20150684100109
201601488000228
201701866400250
2018422310901337
201922329500329
202001800018
202101300013
2022000000
Total101667586012264