"x1","x2","y" 16.7,30,210 17.4,42,110 18.4,47,103 16.8,47,103 18.9,43,91 17.1,41,76 17.3,48,73 18.2,44,70 21.3,43,68 21.2,50,53 20.7,56,45 18.5,60,31