*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003565568
Feb032130203419
Mar0853200540
Apr1401486001527
May4491155001208
Jun432954700619
Jul36321800257
Aug5018800193
Sep2022000222
Oct0054500545
Nov0045200452
Dec001320630762
Total911325688313987312