*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0005122127
Feb003802462
Mar0213000132
Apr12827600305
May104445100505
Jun3510135600492
Jul391424800301
Aug221017600208
Sep3416900176
Oct00990099
Nov00730174
Dec00481582631
Total110203206467293112