*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004514518
Feb001773209389
Mar0146700468
Apr0331300316
May227848600766
Jun0617735001352
Jul527666700948
Aug4748700498
Sep0449500499
Oct0248100483
Nov0028800288
Dec001121624737
Total1111884708813477262