*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003760763
Feb001831247431
Mar2438600392
Apr14562506002576
May251444402004571
Jun583444987005389
Jul921212709002922
Aug28202016002064
Sep2111893001906
Oct0046700467
Nov0032700327
Dec0024318571101
Total221700201195186422909