#      risk2d          pdf          cdf
       0.2594     0.557055        0.289
       0.7782      0.23323         0.41
        1.297     0.248651        0.539
       1.8158     0.152274        0.618
       2.3346     0.125289        0.683
       2.8534     0.134927        0.753
       3.3722     0.100231        0.805
        3.891    0.0944487        0.854
       4.4098    0.0732459        0.892
       4.9286    0.0636083        0.925
       5.4474     0.036623        0.944
       5.9662    0.0346954        0.962
        6.485    0.0212028        0.973
       7.0038    0.0212028        0.984
       7.5226    0.0134927        0.991
       8.0414   0.00385505        0.993
       8.5602   0.00578257        0.996
        9.079   0.00192752        0.997
       9.5978   0.00192752        0.998
      10.1166   0.00192752        0.999
      10.6354            0        0.999
      11.1542            0        0.999
       11.673            0        0.999
      12.1918            0        0.999
      12.7106   0.00192752            1