*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007735742
Feb13282531262557
Mar10914554400798
Apr14526550900919
May18452835001071
Jun11796912001125
Jul593458500678
Aug131548700515
Sep71256500584
Oct2138200385
Nov1131700319
Dec0119729171117
Total65065055861019148810