*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007879886
Feb18283001320667
Mar12914665000925
Apr158267599001024
May21050982001242
Jun128981067001293
Jul653668700788
Aug162067100707
Sep81375800779
Oct2149000493
Nov1141000412
Dec01243210431289
Total735661685710224210505