1979,1980,1981,1982,1981,1981,1980,1981,1982,1983,1985,1986,1988,1989,1990,1990,1992,1992,1991,1990,1990,1989,1988,1987,1986,1985,1983,1980,1979,1978,1977,1976,1977,1979;851,850,850,849,847,845,844,843,841,842,842,843,844,844,845,847,848,850,851,853,854,854,855,855,857,857,858,858,857,857,855,854,853,853