︹2020︺ 12 | | | | | | | ︹2018︺ 22 | | | | | | | | | | | | | | | | | | | | | | | | | ︹2017︺ 12 | | | | | | | | | | | | | | | | | | 2018 12 31 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ︹2014︺ 79 | | | 2018 | 9 | | | | | 2018 | | | 2019 1 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 20% | | 1 | | | | | | 30 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |