我想問AL各科的GRADE 比例(20分)

你是問有幾多百分比考生考取某個grade? 還是要拿幾多分才可以有某個grade?
如果是前者, 根據考評局於2007年公佈的文件:
(每科科名下會有6組數字, 第一個數字代表考到A的考生百分比, 第2個是A-B考生百分比, 如此類推, 最後一個是考獲A-F考生百分比.)

1.中化
2.4% 9.1% 23.1% 58.1% 92.7% 99.2%

2.UE
0.6% 3.3% 13.8% 37.5% 70.9% 90.1%

3.PHY
AL: 4.0% 11.2% 24.5% 50.5% 73.9% 93.7%
AS: 0% 0.2% 1.5% 10.8% 40.8% 95.1%

4.CHEM
AL: 3.1% 9.7 % 23.3% 49.8% 75.4% 92.6%
AS: 2.7 % 8.2% 18.4% 45.0% 71.3% 92.7%

5.BIO
2.5% 7.6% 17.7% 39.4% 68.0% 92.1%

6.PURE
4.0% 11.7% 26.0% 54.0% 80.8% 92.4%