*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003360606093
Feb853120322021884356
Mar662814193004936
Apr9821032943004028
May847793442004368
Jun594993214003907
Jul220332965003218
Aug74122335002421
Sep1031780001793
Oct232090002095
Nov222506002510
Dec101568637685343
Total347944629068591201645068