1970,1971,1971,1972,1972,1972,1973,1974,1975,1975,1975,1976,1976,1976,1977,1978,1979,1979,1980,1981,1981,1981,1981,1981,1982,1982,1982,1982,1981,1981,1980,1979,1979,1978,1977,1977,1977,1976,1976,1975,1975,1974,1974,1974,1973,1972,1972,1971,1970,1970,1970,1970;857,857,856,856,855,854,854,854,854,855,856,856,857,858,858,858,858,859,859,859,860,861,862,863,863,864,865,866,866,867,867,867,866,866,866,865,864,864,863,863,862,862,861,860,860,860,859,859,859,858,857,857