*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0012313981422
Feb004029388799
Mar071016001023
Apr2461777001825
May102983717003710
Jun2733713200006598
Jul29278801001108
Aug14243700453
Sep3561400622
Oct1168000682
Nov0253700539
Dec00301514711777
Total8666951048337325720558