0.90  250.
 0.88  500.
 0.76  750.
 0.67 1000.
 0.58 1250.
 0.56 1300.
 0.49 1400.
 0.52 1500.
 0.51 1600.
 0.49 1700.
 0.52 1800.
 0.54 1900.
 0.54 2000.
 0.57 2100.
 0.56 2200.
 0.65 2260.