*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003364367
Feb201150112229
Mar0113400135
Apr03630066
May08960095
Jun04841800502
Jul232123400557
Aug1414700152
Sep0110400105
Oct0111400115
Nov2022200224
Dec10942451548
Total8904125159273095