*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970000000
1970000000
1971000000
1972000000
1973000000
1974001001
1975000000
1976001001
1977000011
1978000000
1979000000
1980000000
1981001001
1982001001
1983000000
1984000000
1985000000
1986000000
1987000000
1988000000
1989002002
1990001001
1991000000
1992003003
1993002002
1994002002
1995003003
1996009009
1997006006
1998002002
1999005005
2000002002
2001006006
200200100010
2003004004
200400120012
2005003003
2006008008
200700120012
200800160016
200900160016
201000190019
201100150015
201200120012
201300150015
201400230124
201500210021
201600230023
201700190019
201800230023
201900310031
202000540054
202100520052
202200600060
2023001001
2024000000
Total0049602498