*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002126362657
Feb0481369261749
Mar1152090002106
Apr6733305003384
May2246581585006265
Jun65687437500010689
Jul6516814804006550
Aug8332458002499
Sep382593002604
Oct101613001614
Nov001137001137
Dec00627321962826
Total171133462477530575844080