50  -1.8  0.982
  65  -3.4  0.978
  85  -3.3  0.974
 110  -3.8  0.982
 143  -4.8  0.973
 186  -6.4  0.978
 241  -8.7  0.967
 314  -10.9  0.966
 408  -14.3  0.955
 530  -18.2  0.934
 689  -23.1  0.906
 896  -29.0  0.859
1165  -35.7  0.798
1514  -43.0  0.716
1969  -50.3  0.622
2559  -57.3  0.524
3327  -63.5  0.430
4325  -68.8  0.345
5623  -73.1  0.272
7310  -76.5  0.213