2019 | | | | 2019 | | | | ︹2019 ︺ 13 | | 2019 | | | | 15 | | 6 9 A | 3 20 % B 10 66.7 | % C 2 13.3 % | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2019 | | | | | | | | | | | | | | | 2019 6 | | | | 100 % | | | | | | 7 15 | | | | | | | | | | | | 2019 7 9 |