*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004634638
Feb002283244475
Mar0158000581
Apr0338100384
May227862700907
Jun0616968001584
Jul5274823001102
Aug5872100734
Sep0477900783
Oct0282200824
Nov0046900469
Dec001601757918
Total1211866558816359399