*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002289291
Feb0098077175
Mar01038400394
Apr0191443001462
May61172663002786
Jun592152509002783
Jul822051000612
Aug17329700317
Sep1235500358
Oct0049700497
Nov0023100231
Dec00900399489
Total1653869077276510395