0.73  250.
 0.95  500.
 1.00  750.
 0.80 1000.
 0.77 1100.
 0.74 1200.
 0.73 1300.
 0.67 1400.
 0.62 1500.
 0.65 1600.
 0.60 1700.
 0.66 1800.
 0.67 1900.
 0.71 1980.