*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005658663
Feb121693206381
Mar0944400453
Apr23281700851
May15491086001150
Jun235884200923
Jul651344600524
Aug63638100450
Sep36634800390
Oct9233300344
Nov1223300236
Dec001201565686
Total2151795219914297051