*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004632636
Feb002283244475
Mar0157400575
Apr0337400377
May227862300903
Jun0616964001580
Jul5274820001099
Aug5872000733
Sep0477500779
Oct0281700819
Nov0046300463
Dec001601757918
Total1211866518816339357