*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0001915331552
Feb02506175981123
Mar021557001559
Apr11182027002056
May223992984003405
Jun2818983457005383
Jul234642284002771
Aug811456001465
Sep021118001120
Oct0098800988
Nov0047700477
Dec11288311791472
Total9327871714239331023371