*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00001414
Feb0060410
Mar4451108001157
Apr34922477002603
May891302822003041
Jun1131752499002787
Jul51501321001422
Aug1217972001001
Sep2566200669
Oct1039400395
Nov00740074
Dec011002940
Total3065151234504713213