*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007883890
Feb18273001328674
Mar13114765000928
Apr160267604001031
May21650983001249
Jun128981072001298
Jul653769400796
Aug162067900715
Sep81375500776
Oct2148800491
Nov1141400416
Dec01238210441285
Total745662687710225510549