Y1 Y2 Y3 Y4 X1 X2 X3 X4 20.3 20.8 28.4 20.2 9.3 7.4 9.5 9.3 19.1 14.6 21.5 18.6 4.1 6.4 3.7 12.4 19.3 18.0 20.8 22.6 22.4 8.5 11.7 19.9 20.9 7.3 22.2 11.4 9.1 9.5 7.4 6.9 22.0 19.4 21.6 23.6 15.8 11.8 5.3 -1.0 23.5 13.5 21.8 24.0 7.1 8.8 7.4 10.6 13.8 14.7 25.2 26.0 15.9 8.4 7.4 6.4 18.8 15.3 22.5 26.8 6.9 5.1 8.6 10.6 20.9 12.6 21.1 19.7 16.0 11.4 9.1 1.2 18.6 13.0 21.7 22.7 6.7 15.1 11.4 7.7 22.3 13.1 21.4 16.8 8.2 12.6 8.4 15.5 17.6 10.3 20.8 20.2 16.0 8.0 7.3 6.9 20.8 14.9 23.0 21.7 6.4 10.3 11.3 13.7 28.7 14.8 17.4 20.9 11.8 10.4 4.4 3.7 15.2 16.2 21.3 26.9 3.5 9.5 9.3 4.4 20.9 15.7 15.1 16.3 21.7 9.5 10.9 11.5 18.4 16.3 17.8 19.9 12.2 15.1 10.9 4.2 10.3 11.5 26.4 15.5 9.3 6.6 7.7 13.9 26.3 12.2 21.6 26.5 8.0 15.4 7.7 12.9 28.1 11.8 22.5 21.7 6.2 8.2 11.5 1.2