Percent H2 & Cell Width (mm) \\ 0 & 51.1 \\ 0.11 & 39.2 \\ 0.24 & 43.2 \\ 0.53 & 42.7 \\ 0.90 & 39.5 \\ 1.4 & 38.3 \\ 2.0 & 34.9 \\ 11.7 & 27.3 \\ 17.2 & 21.9 \\ 23.1 & 13.5 \\ 26.0 & 10.1 \\