| | | | 6000 | 7000 | | 90 500 | 20 60 50 | | | | 1980 | | 1985 | | | 4 3 30 | 20 300 200 | . | | | | | 200 | 20 | | | | 6 | 10 | | | | | | | | | | | | | |