*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0008686694
Feb001880248436
Mar0229600298
Apr0846700475
May03280363003643
Jun46005553006562
Jul610662724003796
Aug13572308002378
Sep831334001345
Oct2040800410
Nov0037900379
Dec0018109521133
Total331042192018188621549