*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007231238
Feb0080366149
Mar01313800151
Apr09330000393
May72724266002997
Jun72871289003167
Jul25473753001251
Aug96650400606
Sep1135800360
Oct0021500215
Nov0010700107
Dec00631581645
Total136618130731187810279