*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001001
1970000000
1971000000
1972000000
1973001001
1974000000
1975000000
1976000000
1977000000
1978000000
1979000000
1980000000
1981001001
1982002002
1983000000
1984002002
1985100001
1986032005
1987022004
1988002002
1989062008
1990041005
1991225009
1992071008
199302840032
1994176130090
199501920021
199613160038
199705130054
199813920042
199901610017
200005460060
200111230016
200226080070
200303640040
200407160077
200502040024
200603540039
2007030190049
2008259130074
2009114240039
2010120220043
201119250035
2012449180071
20135594200106
20145604800113
20155963400135
20162845500141
201741087900191
201871249000221
2019816712900304
2020821413500357
2021415714600307
2022819113500334
2023023005
2024000000
Total7420151105003194