*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001147148
Feb0156048105
Mar01517000185
Apr215634800506
May274451900590
Jun167870200796
Jul72527300305
Aug23860091
Sep00710071
Oct00760076
Nov00750075
Dec00551274330
Total54322243124693278