*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002126352656
Feb0481369261749
Mar1152088002104
Apr6733301003380
May2146581585006264
Jun65687237500010687
Jul6516814804006550
Aug8332456002497
Sep382593002604
Oct101613001614
Nov001137001137
Dec00627321962826
Total170133442476730575744068