*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000000
Feb001012
Mar1225700260
Apr19232382002424
May797144764007987
Jun1889025784009997
Jul9612523518004866
Aug1051102001117
Sep00590059
Oct003003
Nov000000
Dec000000
Total3931745188700126715