| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 50 | | | | | | | 10 20 | | 10 20 40 50 | 13 20 | | 2014 8 2015 6 | | 2017 5 | | 2019 10 | | | | | | | | | | | |