*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0008686694
Feb001880248436
Mar0229600298
Apr0846600474
May03280357003637
Jun46005553006562
Jul610662724003796
Aug13572304002374
Sep831331001342
Oct2040800410
Nov0037900379
Dec0018109511132
Total331042191878188521534