*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan00012866878
Feb24403051330700
Mar14012364400907
Apr214245645001104
May22550900001175
Jun11495866001075
Jul483350400585
Aug13854500566
Sep91866600693
Oct2748900498
Nov2942600437
Dec0625429571219
Total79163462441521539837