| | | | | | | | | | | 50% | | | | | 60% | | 80% 2019 | 1 1 12 31 | | | | 6 | | 6 | 50% | | | 36 36 | | 2000 1500 | 1000 2019 1 1 | 2020 12 31 | 12 12 | |