*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970133007
1970000000
1971000000
1972001001
1973001001
1974000000
1975012003
1976014005
1977000000
1978012003
1979002002
1980013004
1981003003
1982018009
1983012003
1984012003
1985011002
19860480012
198702110013
1988045009
19890890017
199011770025
199101390022
199225140021
1993321130037
1994141260068
1995516150036
199632580036
1997451160071
1998157120070
1999028150043
2000044180062
2001457130074
2002070170087
200301073000137
200401153300148
20051972700125
200601046000164
20070906100151
20080737000143
2009034480082
201027610500183
201103515100186
2012317711400294
201331948800285
201412629100354
2015333812900470
2016437617300553
2017845917000637
2018052618700713
2019855123200791
2020561726600888
2021160321900823
2022457915600739
2023126009
2024000000
Total6958892666008624