\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  bib & 5.23 & 3.48 & 4.59 \\
  book1 & 4.54 & 3.08 & 4.39 \\
  book2 & 4.80 & 3.17 & 4.43 \\
  geo & 5.66 & 3.52 & 4.62 \\
  news & 5.20 & 3.26 & 4.58 \\
  obj1 & 6.01 & 4.52 & 5.71 \\
  obj2 & 6.28 & 3.60 & 4.66 \\
  paper1 & 5.02 & 3.54 & 4.82 \\
  paper2 & 4.63 & 3.32 & 4.56 \\
  pic & 1.22 & 2.02 & 3.29 \\
  progc & 5.25 & 3.97 & 5.01 \\
  progl & 4.80 & 3.48 & 4.69 \\
  progp & 4.91 & 3.62 & 4.90 \\
  trans & 5.56 & 3.62 & 4.77 \\
\end{tabular}
\caption{Results for char (sorted by file)}
