*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19701411087103
1970001045
197100101011
1972001078
1973001078
19740130812
19750010910
19760030912
19770040913
19780110810
197902401117
198001401015
198100401317
198200501520
198300601420
198400301619
198501501521
1986011001930
1987031101630
1988111301833
1989021701736
1990110801534
19912161901552
19920401901675
1993214117118179
1994380120026850
1995275225024803
1996166223019705
1997019421125241
1998243620123482
19990292611874
2000449525133558
2001229429130356
2002052837018583
2003141131022465
2004259034124651
200506247037146
2006037873129481
2007150670233612
20080100691127207
200915174043169
20106169109047331
20111134174059368
201232192090121552
201362763050121708
201453562850121767
201572784132213913
2016343353312511221
2017237561002851272
2018342360512901322
2019535667512951332
2020446996003801813
2021139497513541725
2022637560623761365
20230180110
2024000000
Total7810771726329373121872