*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000011
Feb012014
Mar113580072
Apr222741786002082
May346813101003528
Jun4101463280003836
Jul629473200003876
Aug192322792003016
Sep36131450001499
Oct3016300166
Nov00160016
Dec003047
Total1849397158510618103