*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001301302
Feb0162084147
Mar0316000163
Apr01323500248
May2147853001533
Jun3460383004689
Jul111761849002621
Aug11745500473
Sep2442400430
Oct1134800350
Nov0021600216
Dec00950531626
Total3078712980191611798