*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005222227
Feb0074053127
Mar5148000486
Apr361326001335
May5991472001576
Jun32901370001492
Jul574336500465
Aug18921600243
Sep1026400265
Oct0045700457
Nov0025100251
Dec00570263320
Total121248633255387244