*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00010515525
Feb001981256455
Mar0950500514
Apr31069000703
May76156366006529
Jun15191528350020002
Jul16707645410011633
Aug10202653002683
Sep131703001707
Oct0074100741
Nov0028600286
Dec00890765854
Total52324261260711153646632