*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004632636
Feb002283244475
Mar0157400575
Apr0337400377
May227862000900
Jun0616963001579
Jul5274815001094
Aug5871800731
Sep0477500779
Oct0281500817
Nov0046300463
Dec001601757918
Total1211866505816339344