*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb000000
Mar016007
Apr0148900103
May3103354770010815
Jun56229245080023488
Jul115649238590010466
Aug64192235002318
Sep011206001207
Oct0012100121
Nov008008
Dec002046
Total2383978685110448539