*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001006171
1970002013
1971003036
1972001056
1973000044
1974002024
1975001034
197600301215
197700701017
19781050814
1979110701230
1980110401227
198160801327
1982901001635
198391801230
198430101418
198511401925
1986311002236
198743702135
198874901838
1989211401532
19906132721462
199118123712088
19928234401691
1993671622152
1994132145025104
1995755022791
19968134101577
1997555712896
1998141357017101
19993113401967
20003115502392
200192147030107
2002834702078
20039174902095
2004141161022108
20051511105022153
200625565128124
200716869227122
2008171987120144
2009204130129184
20101913160022214
2011167124027174
20122910175056270
20132515256058354
201446211236169563
20158430333096543
201661214601133676
201792184990147756
201871225071143744
201947564700128701
202062255960104787
202122125890132755
202240113961119567
202390390048
2024300058
Total91769560791719659673