297_4xCO2_to_PI_yr200 297 0 1.72 1.50 1 1.45 8.47 2 -0.70 -0.49 3 1.96 8.84 4 -0.58 -0.32 5 2.11 8.11 6 -0.64 -0.45 7 1.99 8.26 8 -0.82 -0.65 9 6.43 14.01 10 -0.75 -0.53 11 2.06 6.05 12 37.74 42.03