\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  bib & 2.12 & 4.99 & 5.56 \\
  book1 & 2.52 & 4.23 & 5.44 \\
  book2 & 2.28 & 4.47 & 5.14 \\
  geo & 5.01 & 28.59 & 34.81 \\
  news & 2.77 & 6.56 & 7.59 \\
  obj1 & 3.68 & 20.27 & 22.29 \\
  obj2 & 2.59 & 9.71 & 10.76 \\
  paper1 & 2.48 & 5.71 & 6.55 \\
  paper2 & 2.46 & 5.77 & 6.42 \\
  pic & 0.98 & 3.60 & 4.45 \\
  progc & 2.49 & 6.84 & 7.92 \\
  progl & 1.87 & 4.55 & 5.28 \\
  progp & 1.82 & 4.80 & 5.49 \\
  trans & 1.75 & 4.64 & 5.25 \\
\end{tabular}
\caption{Results for ppmC-896 (sorted by file)}
