*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00016600616
Feb001791192372
Mar0835800366
Apr2734100350
May102358200615
Jun249462700745
Jul381225300303
Aug15324400262
Sep8432800340
Oct1034300344
Nov2126400267
Dec001162734852
Total10015236351915265432