| | | | 7 2015 | | | | | 2017 | | 25 | | | 2017 2018 | | | | 2 | 1 2019 | | | 5 | | | 1000 | | | | | | | | | | | | | | | | | | 10 | 20 | 40 6 80 | 60 | | 20 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |