| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1975 16657 | | 1979 | 1980 1984 | | | | 1986 | | | | | 40 444 500 | 50 20 | 5000 22 | | | | 2007 | | 20 | | | | | |