*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197001501117
1970000000
1971004004
1972000000
1973000000
1974014005
1975000066
1976002013
1977000011
1978005049
1979000011
1980003036
1981000000
1982003014
1983000011
1984001078
19850050914
1986003025
1987001056
1988000000
1989003047
1990011002
1991015028
1992011035
1993034018
19940840214
1995048240476
199601580124
199705170224
199801420420
1999004015
2000022015
20011160412
2002005139
2003001012
2004012025
2005001023
200602110215
2007004015
200803180425
200903290739
2010021250349
20110480113
201208290946
201301240934
201402230328
2015003101445
2016145302078
2017003201143
201800370845
201901370745
202013700680
2021019210029258
202200450954
2023000000
2024000000
Total317381212321221