0.91  250.
 0.75  500.
 0.72  750.
 0.70 1000.
 0.72 1250.
 0.70 1500.
 0.68 1600.
 0.67 1700.
 0.65 1800.
 0.59 1900.
 0.62 2000.
 0.63 2100.
 0.61 2200.
 0.65 2300.
 0.66 2400.
 0.70 2500.
 0.71 2600.
 0.69 2700.
 0.71 2730.