| percentage of possible races | races per throwout |
| 50% to 55% | 2.5 |
| 55% to 60% | 2 |
| 60% to 65% | 1.5 |
| 65% | 1 |
(16 + 10 + 3 + 2 + 11) ---------------------------------- = 42 / 65 = 0.65 (17 + 17 + 5 + 13 + 13)
(5+4+3+2+1)
-------------------- = 15/5 = 3
5