*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb001012
Mar1225600259
Apr19232371002413
May797144753007976
Jun1879025777009989
Jul9612523514004862
Aug1051102001117
Sep00580058
Oct003003
Nov000000
Dec000000
Total3921745188350126679