*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0008533541
Feb001610208369
Mar0223500237
Apr0838100389
May02567344002911
Jun45173546005723
Jul66962475003177
Aug13551597001665
Sep8391400925
Oct2029600298
Nov0027000270
Dec001350779914
Total33850473548152017419