*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan12824000152
Feb4620610109
Mar0002296235
Apr00348853544
May005189043205261
Jun0011714271777819322
Jul019599755806673
Aug002351337573
Sep00337311387
Oct0001560156
Nov00054054
Dec56850440617
Total7423229252322778534083