*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001147148
Feb0156048105
Mar01517000185
Apr215634800506
May274451600587
Jun167770000793
Jul72427100302
Aug23850090
Sep00710071
Oct00760076
Nov00750075
Dec00551274330
Total54320242324693268