*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970213004477
19701060512
1971101079
1972100034
19730040610
19740090312
19750080715
197601201114
1977021501229
19785190924
19791012701250
1980203601452
1981633901765
198217069023109
1983813501256
19841622002361
19851203101558
19861642101960
1987912402559
19881162812369
1989822102354
199012666216102
19913812145119215
1992206114020160
19934620209032307
19943228206140307
1995367168028239
19962425124029202
19971622140042220
19982233135033223
19991818119128184
20001820157036231
20012210150035217
2002146233029282
2003202233138294
20042021249029319
20052313325042403
20063612352037437
2007249271335342
2008109368633426
20091419544068645
2010565722072855
20112889123951046
20125514117091921440
20136852152472001851
20146645132502081644
20159226166324092192
20169513208934722672
201716630284504413482
201812432316725473872
201915619332085024005
20207037369017144512
20218429368537734574
20226128329645443933
202324780084
20244093011108
Total17176653432258616242924