*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003716901727
Feb1265476241288
Mar5411059001105
Apr311488100998
May145215182005411
Jun56123653990012820
Jul3540122457006504
Aug12271496001535
Sep171176001184
Oct0083300833
Nov0160500606
Dec00303214281733
Total127217841004546374235744