*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970033006
1970001001
1971020002
1972000000
1973113005
1974101002
1975040004
1976001001
1977009009
1978011002
1979144009
1980063009
1981012003
1982013004
1983013004
1984001001
1985003003
1986122005
1987232007
19882780017
19890590014
1990210140026
199178140029
199203100013
1993010150025
1994119180038
1995422300056
1996730150052
19971831900103
1998155200076
1999625170048
20002307400106
20015407400119
200224810000150
20033617200136
20042407000112
20051568100138
2006341500094
20071795500135
20081419700139
20090466600112
20100688800156
201107712900206
20121987700176
201311155800174
201401352800163
201511415800200
201622006400266
201712576300321
201822036300268
201932456200310
202012456700313
202103047700381
202213318800420
2023007007
2024005005
Total7032071904005181