*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0013930193059
Feb71491259341872
Mar82802564002726
Apr247863687004020
May1861114748005045
Jun2053656217006787
Jul1241654058004347
Aug26202630002676
Sep8102510002528
Oct111548001550
Nov1093000931
Dec105971016432251
Total8888523040254559637792