*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003665366572
Feb0421672222954488
Mar9244138004171
Apr16444075004135
May493636834007246
Jun106239777770010280
Jul424543908004404
Aug392811002823
Sep093666003675
Oct013789003790
Nov002918002918
Dec011597646736277
Total225330643680641350460779