0.71  250.
 0.58  500.
 0.54  750.
 0.54 1000.
 0.50 1250.
 0.49 1500.
 0.47 1750.
 0.47 2000.
 0.45 2250.
 0.45 2500.
 0.40 2750.
 0.41 3000.
 0.40 3250.
 0.37 3500.
 0.36 3750.
 0.34 4000.
 0.37 4100.
 0.37 4200.
 0.37 4300.
 0.34 4400.
 0.38 4500.
 0.42 4600.
 0.45 4700.
 0.45 4730.