*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970201505976
1970003036
1971003058
1972002046
1973003025
1974001056
19750540211
19760160815
19770090817
1978005049
1979313001044
198020130823
198160901328
198200801725
198300210728
19840080917
19851140612
1986041601131
1987222721750
1988152601850
1989131701435
19903123801366
19914104601272
19921105101678
1993319114013149
1994154111021187
199512084014119
199644280017143
1997122111019153
1998157143020221
1999120105020146
2000027181025233
2001211175024212
200203154017174
200303219114237
200423226020251
200514223020248
200613276121302
200704248032284
200808307621342
2009112309017339
201019370018398
2011115476139532
201236529674618
201308564144617
2014130577095703
201594089001211060
2016510108601291230
2017944138801071548
201882712210831339
20191418140901681609
2020113147001801664
2021212141501741603
202267106801141195
202304180022
2024003025
Total1056091591518195418601