*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001033743384
Feb371032511622209
Mar71642771002906
Apr238804104004422
May2051005453005758
Jun2353757182007792
Jul1261664685004977
Aug27203403003450
Sep6103365003381
Oct212056002059
Nov101304001305
Dec108491022623122
Total9158233620425679844765