*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00013691704
Feb012644312581
Mar2221253001277
Apr3401832001875
May155808145005968
Jun70183912300018691
Jul46794422790010269
Aug261789900942
Sep141007001012
Oct0188700888
Nov0036100361
Dec011561739897
Total16332229931318174243465