*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0006378384
Feb01150198250
Mar0769400701
Apr0231552001575
May21111207001320
Jun66065100717
Jul23423200259
Aug5114800154
Sep0022400224
Oct0040100401
Nov0023900239
Dec00670260327
Total36207556577366551