*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003131134
Feb0148087136
Mar0718900196
Apr02446700491
May31986145002134
Jun112956140003107
Jul23772850001645
Aug10440600420
Sep0031000310
Oct0014600146
Nov00640064
Dec00300281311
Total475750279534999094