*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002533535
Feb001231157281
Mar0020800208
Apr0217200174
May31130166001299
Jun456564565007174
Jul4510824357005484
Aug40463926004012
Sep731693001703
Oct0141500416
Nov0021600216
Dec001240708832
Total1408828119653139822334