︹2019︺ 17 2019 12 | 30 | | | | | | | ︹2019︺ 21 | | | | | | | | | | ︹2017︺34 | 2 3 2019 | ︹2019︺ 21 | | | 50% | | | 30% 70% | | | | | | | 50% | | | | | | | | | | | ︹2019︺ 205 | | | | | | | ︹2019︺ 21 | | | | | | | | | | | ︹2019︺ 21 | | | |