*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0002313981421
Feb004009388797
Mar071016001023
Apr2461774001822
May102983717003710
Jun2733713199006597
Jul29278800001107
Aug14243500451
Sep3561400622
Oct1167800680
Nov0253600538
Dec00301514711777
Total8666951047037325720545