| 1 12 31 | | | | | | | 2021 12 31 | 2 | | | | 2021 4 1 | | | | | 50% 50 % | | 50% | 3 | | | 2021 4 | 1 | | | | | | | | 4 | 2021 4 1 | | 6 | | | | 60 | 5 | | | | | | | 5 | | | | | 2021 4 1 | | | 50% | 20% |