*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan000033
Feb00250328
Mar111311401001543
Apr273522030002409
May1073304389003800
Jun1866177437006800
Jul1208901815002825
Aug271279800837
Sep3285800863
Oct0034500345
Nov00150015
Dec000099
Total48110868811301519477