*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001400401
Feb001010127228
Mar7559800610
Apr1212040002062
May10871518001615
Jun18921008001118
Jul31925100291
Aug7747200486
Sep0156800569
Oct0061000610
Nov0032800328
Dec00981610709
Total742227592211379027