1850_297_4xCO2 1850_297 0 2.19 0.83 1 3.10 46.43 2 1.61 -0.06 3 10.32 53.30 4 1.41 -0.07 5 7.93 51.11 6 1.42 -0.19 7 13.78 48.28 8 1.87 -0.05 9 11.44 51.37 10 1.72 0.04 11 9.05 51.47 12 9.10 8.84