| 13 ~18 | | | | | | 0.6 | ~ 0.65 | 0.5 | | 1 ~ 1.3 | | | | 13 ~ 15 | 26 ~ 30 16 ~ 18 30 ~ 35 | | | | | | | 1 | 1 0.5 | | 1. 40% 26% | 28% 2% 1% 3% 2. | 33.7% 25.3 % 26% 7.5% | 3 % 2.5% | 2% 18 ~ 24 | | | | | | | | 2 ~ 3 | |