1 horse, 1 place	100%
2 horses, 2 places	60%    40%
3 horses, 3 places	50%    30%    20%
4 horses, 4 places	45%    30%    15%    10%
5 horses, 5 places	37%    28%    20%    10%    5%
6 horses, 6 places	37%    28%    17%    9%    5%    4%
6 horses +	35%    24%    15%    8%    6%    5%    4%    3%