28
 270.0      0.8
 280.0      2.6
 290.0      6.9
 300.0     12.4
 310.0     19.4
 320.0     23.6
 330.0     24.9
 340.0     26.3
 350.0     27.9
 360.0     28.5
 370.0     28.5
 380.0     28.3
 390.0     27.7
 400.0     27.4
 410.0     26.0
 420.0     24.6
 430.0     23.1
 440.0     21.5
 450.0     19.7
 460.0     18.0
 480.0     14.2
 500.0     10.0
 520.0      7.0
 540.0      5.2
 560.0      2.3
 580.0      1.0
 600.0      0.4
 620.0      0.1