\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  text & 2.31 & 2.42 & 2.85 \\
  fax & 0.99 & 2.12 & 2.59 \\
  Csrc & 2.11 & 4.14 & 4.58 \\
  Excl & 1.08 & 6.98 & 8.36 \\
  SPRC & 2.68 & 7.47 & 8.30 \\
  tech & 2.19 & 2.28 & 2.69 \\
  poem & 2.48 & 2.34 & 2.69 \\
  html & 2.38 & 4.10 & 4.75 \\
  list & 2.43 & 6.26 & 6.13 \\
  man & 3.00 & 6.78 & 7.34 \\
  play & 2.53 & 2.65 & 3.16 \\
\end{tabular}
\caption{Results for ppmD3 (sorted by file)}