*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001566567
Feb032250315543
Mar0582200827
Apr4483700845
May25774400776
Jun422448700553
Jul57631700380
Aug35433400373
Sep85147300559
Oct1035900360
Nov4049900503
Dec001410402543
Total253545238112836829