| | | | | | | | | | | | | | | | | 2016 12 | 2021 3 | | 2021 7 | | | | | 24 | | | | | | | | | | | 21 2015 | 13 | | | | | | 1000 | | | 1000 | | | 1000 | | | 300 20 | | | 6 | | 30% | 15 | 30 | | | | | | | | | | | | | | | () | | | () | | ( ) | | | | | | | | |