*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007879886
Feb18283001318665
Mar12814564500918
Apr157265595001017
May20750972001229
Jun126971049001272
Jul653568200782
Aug162066300699
Sep81375000771
Oct2148900492
Nov1140900411
Dec01244210431290
Total728656679810224010432