\begin{tabular}{|r||r|r|r|r|r|}
\hline
Diameter & \multicolumn{5}{c|}{Percentiles of age} \\
(cm) & 5th & 25th & 50th & 75th & 95th \\
\hline
0.3 & 0.7 & 1.3 & 2.0 & 3.4 & 6.0 \\
0.4 & 1.3 & 2.7 & 4.0 & 5.4 & 8.7 \\
0.5 & 2.0 & 4.0 & 5.4 & 7.4 & 11.4 \\
0.7 & 2.7 & 5.4 & 7.4 & 10.1 & 14.8 \\
1.0 & 4.0 & 6.7 & 8.7 & 12.1 & 16.1 \\
1.3 & 5.4 & 8.1 & 10.7 & 13.4 & 18.8 \\
1.8 & 6.0 & 9.4 & 12.1 & 15.4 & 20.8 \\
2.5 & 6.7 & 10.7 & 14.1 & 17.5 & 24.2 \\
3.3 & 8.1 & 12.8 & 16.1 & 19.5 & 25.5 \\
4.5 & 10.1 & 14.1 & 17.5 & 21.5 & 28.2 \\
6.0 & 10.7 & 15.4 & 19.5 & 23.5 & 30.2 \\
8.2 & 12.1 & 16.8 & 20.8 & 24.8 & 32.2 \\
11.0 & 13.4 & 18.8 & 22.2 & 26.8 & 34.2 \\
14.9 & 14.8 & 20.1 & 24.2 & 28.9 & 35.6 \\
\hline
\end{tabular}
