*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004632636
Feb002283244475
Mar0158000581
Apr0338100384
May227862700907
Jun0616964001580
Jul5274822001101
Aug5872100734
Sep0477900783
Oct0282100823
Nov0046900469
Dec001601757918
Total1211866552816339391