| | | | | | 2012 2020 ︹2012 ︺ 22 | | ︹2018 ︺ 22 | ︹2018 ︺ 179 | | | | 2020 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 20% | | | | | | | | | | | | | 15% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2020 6 4 | |