*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000811031111
Feb0113244376715
Mar0581199001257
Apr01311947002078
May34534348004885
Jun269106406009538
Jul3520132821004869
Aug14311296001341
Sep1795900967
Oct0168600687
Nov0044000440
Dec00286514421733
Total79158921071217292129621