*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001799800
Feb101760236413
Mar2125500258
Apr1152900531
May31491100928
Jun11956700587
Jul101433600360
Aug13549900517
Sep521114001121
Oct1065200653
Nov0030500305
Dec0018418761061
Total37565528219117534