*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00016601617
Feb001791193373
Mar0835900367
Apr2734100350
May102358200615
Jun249462700745
Jul381225300303
Aug15324400262
Sep8432900341
Oct1034300344
Nov2126400267
Dec001162735853
Total10015236371915295437