*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002325982621
Feb2394759041861
Mar6302994003030
Apr171184635004770
May1073216906007334
Jun2694445984006697
Jul264421813002119
Aug54101619001683
Sep891391001408
Oct011391001392
Nov011153001154
Dec00517520042526
Total7279792935033550636595