*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001145146
Feb0155048104
Mar01516900184
Apr215634100499
May274051000577
Jun157669200783
Jul72226700296
Aug21810084
Sep00700070
Oct00750075
Nov00750075
Dec00551274330
Total53311239024673223