*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19701413087105
1970001045
197100101011
1972001078
1973001078
19740130812
19750010910
19760030912
19770050914
19780130812
197902401117
198001401015
198100601319
198200701724
198300601420
198400501722
198511601523
1986011301933
1987031101630
1988111301833
1989021701736
1990110801534
19912152001552
19920401901675
1993214018118179
1994380120026850
1995275225024803
1996166223019705
1997019421125241
1998243620123482
19990292611874
2000449525133558
2001229429130356
2002052839018585
2003141132022466
2004259034124651
200506248037147
2006037874129482
2007150671233613
20080100701127208
200915174043169
20106169110047332
20111134174059368
201232192120122556
201362763080121711
201453562870121769
201572784132213913
2016343353312511221
2017237561002861273
2018342360512901322
2019535667512951332
2020446996103801814
2021139497613541726
2022637560823761367
202301100112
202402230530
Total7910771732529374121945