*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0000702702
Feb101141180296
Mar712539000486
Apr161471148001356
May205282170002403
Jun169612896003126
Jul89261954002069
Aug18131493001524
Sep0288700889
Oct0029700297
Nov0019000190
Dec001180827945
Total714202116571170914283