*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004317071750
Feb03571175981189
Mar041802001806
Apr14182322002354
May234173598004038
Jun3018983645005573
Jul244612360002845
Aug911505001515
Sep021164001166
Oct001017001017
Nov0049600496
Dec11288311791472
Total10128051876863348425221