Table 4.

The value range of evaluation factors.

Value range	Level 1	Level 2	Level 3	Level 4	Level 5
SA	0.2972~0.3050	0.2935~0.2972	0.2877~0.2934	0.2748~0.2867	0.2119~0.2701
LF/HF	0.2689~0.3699	0.3790~0.4020	0.4038~0.4153	0.4154~0.4231	0.4231~0.4388