*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
1991001001
1992000000
1993000000
1994000000
1995000000
1996000000
1997003003
1998001001
1999001001
2000002013
2001011002
2002002002
2003005016
2004034029
20050780722
200603190931
2007103512562
2008025722485
200903103035141
20101499049153
201120186151240
2012216106111231203
201376172452451987
20141121874143992300
20152303048165603656
20162254362348605283
20175574811619725906
201895655755610296725
2019105659913510217113
2020010262237841079
2021000011
2022000000
Total4229129235249619836015