| 1960 9 5 | | 1960 1961 | 55 | 26 | | 28 | | | 1961 | | 24 | | 6500 500 4 | | 1962 | 54000 | 5 300 10 | | 1972 | | | | | 1972 | | | 1974 | 1 | 550 150 4000 | 1975 | 1.35 | 1976 7.73 | | 1977 2 | 6 233 3 | | 1978 12.58 | 7.65 | 0.6 | 0.94 3.39 | 80 | 1979 35.87 | 26.8 1.57 | 6.7 | 0.8 10 | 50 125 200 150 | | 2.5 | | | 2 | 0.5 | | | 2 | | 1980 33.1 | 2 | 2 1 7.5 | 10 | 0.6 10 | 1027 | 1981 44.8 | 24 1125 | 17.7 | | | 2 1 | 39 | | 1982 | | | 67 50 | 24 000 1 200 | 29 | | 6 | 1983 35 | | | 0.81 | 0.35 1984 2.64 | | 1985 | 51 33 | 6 2 | 2 | 31.8 | 1986 120 | 52.2 | | 1987 | | 450 | 480 | | 1988 | 5 | 150 | | 30 | 50 | | 1989 49.35 | 170 | | | 1975 1990 372.09 | | | | |