*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001469470
Feb011420164307
Mar0659500601
Apr1351056001092
May142573800777
Jun402038600446
Jul31720100239
Aug5028100286
Sep1029300294
Oct0045700457
Nov0053800538
Dec001290495624
Total92944816111286131