The above data fed through gnuplot:
1 ++------+--------+-------XXX------+-------+-------+--------+------++
+ + + X + X + + + + +
| |
0.9 ++ X ++
| X |
0.8 ++ ++
| X |
| |
0.7 ++ X ++
| |
0.6 ++ X ++
| |
| |
0.5 ++ X X ++
| |
| |
0.4 ++ X ++
| |
0.3 ++ X ++
| X |
| |
0.2 ++ X X ++
| X |
0.1 ++ X ++
| X X X |
+ XX + + + + X + + +
0 X+XX-X--+--------+-------+--------+-------+----X-XX-X-XX-X-XX-----++
400 450 500 550 600 650 700 750 800