| | | | | | | 2% | 20% 20% | | 20 ~ 30 | | 1 7 | | 30 | | 1 | 14 | 6 | 4 2 | ~ 3 1 | | | 1 7 | | 30 | | 1 | 14 | 4 | | 1 | | 3 | 5 ~ 10 | | | 0.4% ~ 0.5% | 3 | | | 40 | | | | | | | | | | |