1980,1981,1981,1982,1982,1983,1983,1984,1984,1985,1985,1986,1987,1987,1988,1988,1989,1989,1990,1991,1991,1992,1992,1992,1993,1993,1993,1993,1992,1991,1990,1990,1989,1988,1988,1987,1986,1986,1985,1984,1984,1983,1983,1982,1981,1980,1980,1980,1980,1980;822,822,821,821,820,820,819,819,818,818,819,819,819,820,820,821,821,822,822,822,823,823,824,825,825,826,827,828,828,828,828,829,829,829,828,828,828,827,827,827,826,826,825,825,825,825,824,823,822,822