Percent C2H2 & Cell Width (mm) \\
0 &     51.1 \\
0.23 &  36.8  \\
0.83 &  31.4 \\
1.7 &   32.2 \\
3.1 &   20.7 \\
4.1 &   14.1 \\
5.5 &   10.7 \\
6.5 &    8.4 \\