*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000521832188
Feb0363737691412
Mar2101420001432
Apr3121468001483
May3492826002878
Jun5392559002603
Jul1151758001774
Aug2111502001515
Sep011187001188
Oct0180500806
Nov0064500645
Dec00456015011957
Total16141152638445319881