*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00002727
Feb000033
Mar005005
Apr5623800249
May2221052001076
Jun602682300909
Jul31533400370
Aug11226800281
Sep3036500368
Oct0281100813
Nov0032400324
Dec00460117163
Total11263426601474588