*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00002727
Feb000033
Mar005005
Apr5624100252
May2221066001090
Jun602682800914
Jul31433900374
Aug11227200285
Sep3036900372
Oct0282500827
Nov0033100331
Dec00460117163
Total11262432201474643