| 2018 | | | | 5 | | | | | | 2018 | | | | | | | | | | | | | | | | | | | 2017 11 | | | | | | | | | 2018 2 1 | | | | | | | | | | 8% | | | | | | 10% | 2017 | | 2018 | | | | | | | | | | | 100 20 | | 20 | | | | | | | | | | | | | | | | | |