0 0.61465 5 0.6259 10 0.63884 15 0.6515 20 0.66244 25 0.67079 30 0.67611 35 0.67821 40 0.67703 45 0.67265 50 0.66523 55 0.65516 60 0.64313 65 0.63031 70 0.61841 75 0.60948 80 0.60543 85 0.60728