*Excludes Observations that span multiple months

  B
b
t
W
w
 
Jan0003665366572
Feb0421672222954488
Mar9244138004171
Apr16374072004125
May493576831007237
Jun106239777770010280
Jul424543906004402
Aug392804002816
Sep093665003674
Oct013789003790
Nov002918002918
Dec011597646736277
Total225329343664641350460750