public void DrawLineGraph(int index)
    {
        float[] scores = new float[9];
        float   score  = NewGameManager.Instance.StartDifficultyLevel;

        scores[0] = score;
        for (int i = 0; i < gameRecord[latestIndex].gameResults[index].Count; i++)
        {
            if (gameRecord[latestIndex].gameResults[index][i].resultValue == Result.BigSuccessful)
            {
                score += 2.0f;
                if (score > 15)
                {
                    score = 15;
                }
                scores[i + 1] = score;
            }
            else if (gameRecord[latestIndex].gameResults[index][i].resultValue == Result.Successful)
            {
                score += 1.0f;
                if (score > 15)
                {
                    score = 15;
                }
                scores[i + 1] = score;
            }
            else
            {
                score += -1.0f;
                if (score < 1)
                {
                    score = 1;
                }
                scores[i + 1] = score;
            }
        }
        line.SetValues(scores);
        line.DrawGraph();
    }