*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0007883890
Feb18272981325669
Mar13114765000928
Apr160267603001030
May21650981001247
Jun128981069001295
Jul653768900791
Aug162067300709
Sep81375100772
Oct2148700490
Nov1141400416
Dec01238210441285
Total745662685310225210522