*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001320702083
Feb47798128501671
Mar102552037002194
Apr3431111680002134
May324861850002260
Jun3451532202002700
Jul314822335002731
Aug34211478001533
Sep271375001384
Oct1201308001320
Nov1068000681
Dec00550215722124
Total14815221629327449222815