*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003423292363
Feb1178836981491
Mar221535001539
Apr641549001559
May6322131002169
Jun212562728003005
Jul14511705001770
Aug3161210001229
Sep3595900967
Oct0075300753
Nov1070100702
Dec01426416342065
Total573681448541466119612