\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  text & 3.57 & 2.90 & 3.09 \\
  fax & 0.96 & 1.51 & 1.82 \\
  Csrc & 2.50 & 3.38 & 3.28 \\
  Excl & 1.53 & 3.76 & 2.78 \\
  SPRC & 3.27 & 3.39 & 3.26 \\
  tech & 3.58 & 2.80 & 3.08 \\
  poem & 3.96 & 3.03 & 3.25 \\
  html & 3.28 & 3.18 & 3.39 \\
  list & 2.59 & 5.10 & 5.07 \\
  man & 3.20 & 4.81 & 4.81 \\
  play & 3.81 & 3.00 & 3.37 \\
\end{tabular}
\caption{Results for ppmCnx-56 (sorted by file)}