*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002533535
Feb001231157281
Mar0020800208
Apr0217200174
May31130167001300
Jun456564572007181
Jul4510834362005490
Aug40463926004012
Sep731693001703
Oct0141500416
Nov0021600216
Dec001250708833
Total1408829119793139822349