3 => 4 - 100%
4 => 5 - 85%
5 => 6 - 80%
6 => 7 - 75%
7 => 8 - 70%
8 => 9 - 66%
9 => 10 - 60%
10 => 11 - 55%
11 => 12 - 50%
12 => 13 - 46%
13 => 14 - 42%
14 => 15 - 38%
15 => 16 - 34%
16 => 17 - 30%
17 => 18 - 26%
18 => 19 - 22%
19 => 20 - 18%
20 => 21 - 15%
21 => 22 - 11%
22 => 23 - 5%