*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan001811041113
Feb0113244376715
Mar0581203001261
Apr01331958002091
May34536354004893
Jun269106413009545
Jul3520132823004871
Aug14311301001346
Sep1796400972
Oct0169000691
Nov0044400444
Dec00286514421733
Total79158961076117292229675