*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001612141230
Feb014637494965
Mar1232818002842
Apr6815652005739
May991508810070016194
Jun3113431314190036043
Jul260800885770016845
Aug78564277004411
Sep5113214003230
Oct001587001587
Nov0044100441
Dec00286013921678
Total760575812974123310091205