*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002404406
Feb001481123272
Mar0764600653
Apr0171618001635
May21111387001500
Jun66174100808
Jul30526900304
Aug8119500204
Sep1027500276
Oct0045500455
Nov0032700327
Dec00910316407
Total47202615238437247