0        10      15.9%
      1         5       7.9%
      2         9      14.3%
      3         6       9.5%
      4         6       9.5%
      5         3       4.8%
      6         5       7.9%
      7         3       4.8%
      8         5       7.9%
      9         3       4.8%
     10         5       7.9%
     11         3       4.8%