*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb000011
Mar002002
Apr1324800252
May204076503004599
Jun1216086666006873
Jul935872657003337
Aug4492385002438
Sep1111071001083
Oct00160016
Nov000000
Dec001001
Total2901076275490118602