*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001121122
Feb002602854
Mar0320700210
Apr64478900839
May21891017001127
Jun765459100721
Jul49729000346
Aug15135900375
Sep2232900333
Oct0116200163
Nov00600060
Dec00340201235
Total169201386413504585