Percent C2H4 & Cell Width (mm) \\
0.28 &  71.8 \\
0.28 &   89.7 \\
0.54 &   54.3 \\
0.79 &   43.8 \\
1.23 &   36.2 \\
2.14 &   33.8 \\
4.23 &   25.2 \\