*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000434434
Feb001880177365
Mar0262600628
Apr01276800780
May63479900839
Jun331941200464
Jul42723200281
Aug20013300153
Sep10830084
Oct0016400164
Nov0027400274
Dec001291623753
Total102743808112345219