*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197060260139171
1970004048
197100201012
1972002079
19730020810
19740780722
19752980928
197604601323
1977162101644
1978051201532
1979342801752
1980012201841
1981213002154
1982303202863
1983141702042
1984101602239
1985261401941
1986532602155
1987683623082
1988552502762
19898152712475
1990162549123114
1991372488220171
19921411109023157
19933626196133292
19943262183040317
19952723139130220
19962657106024213
19971962202039322
19981466166034280
1999437125125192
20002036153042251
20011214217044287
200248275023310
20031610278132337
2004825253034320
20051914363040436
20061818407038481
20071815333540411
200810154621138536
20092512695066798
20102721797073918
2011172311050961241
20124152149452041796
20134089160112001931
20144146141022561755
20155627184633682300
20166722222014502760
20177942290844583491
20186844302525333672
2019103443262104013820
20205030370135594343
20214435360015464226
20223528311714893670
202313790588
202401111020132
Total108911453543959582143553