9 19 | | | | | 2019 2.6 | 8189 | 63% | | 12.2 20 | | 30% 50% | | | | | | | 90 % | | 3700 2700 | 10 | % | | | | | | | | | | | | | | | | | | | | | 2000 | | | | | | | | |