\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  text & 3.29 & 3.68 & 4.35 \\
  fax & 0.91 & 1.68 & 2.16 \\
  Csrc & 2.35 & 3.82 & 4.13 \\
  Excl & 1.24 & 5.80 & 6.71 \\
  SPRC & 3.00 & 5.28 & 6.04 \\
  tech & 3.30 & 3.68 & 4.35 \\
  poem & 3.62 & 3.86 & 4.62 \\
  html & 3.08 & 4.10 & 4.91 \\
  list & 2.41 & 5.75 & 5.86 \\
  man & 2.98 & 5.34 & 6.32 \\
  play & 3.50 & 3.88 & 4.68 \\
\end{tabular}
\caption{Results for ppmC-56 (sorted by file)}