*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001001
1970000000
1971000000
1972000000
1973001001
1974000000
1975000000
1976000000
1977000000
1978000000
1979000000
1980000000
1981000000
1982001001
1983000000
1984002002
1985100001
1986032005
1987022004
1988002002
1989062008
1990041005
1991225009
1992071008
199302840032
1994178140093
199501920021
199613160038
199705130054
199813920042
199901610017
200005560061
200111230016
200226080070
200303640040
200407170078
200502030023
200603540039
2007030170047
2008259130074
2009114240039
2010120200041
201119250035
2012449280081
20137677000144
20146688400158
20155985600159
201629010500197
2017513112200258
20181017114900330
20191021623300459
2020030003
2021000000
Total6316001033002696