*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0004629663012
Feb4615231111792723
Mar44624761004867
Apr199985760006057
May4761907405008071
Jun4121543256003822
Jul136261898002060
Aug1031324001337
Sep531526001534
Oct001420001420
Nov001285001285
Dec00647120172665
Total12865423080558616238853