*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0006115951656
Feb0457136701248
Mar1351181001217
Apr5521250001307
May121567160001739
Jun3218281304003164
Jul39771521001637
Aug951064001078
Sep151387001393
Oct101150001151
Nov001086001086
Dec005436614452054
Total100357311217130371018730