\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  bib & 2.51 & 2.78 & 0.44 \\
  book1 & 3.25 & 3.78 & 0.31 \\
  book2 & 2.70 & 2.78 & 0.29 \\
  geo & 5.34 & 8.47 & 0.58 \\
  news & 3.06 & 2.45 & 0.34 \\
  obj1 & 3.84 & 3.68 & 1.33 \\
  obj2 & 2.63 & 4.37 & 0.34 \\
  paper1 & 2.79 & 2.95 & 0.68 \\
  paper2 & 2.89 & 4.71 & 0.57 \\
  pic & 0.82 & 7.53 & 0.21 \\
  progc & 2.68 & 2.63 & 0.89 \\
  progl & 1.80 & 3.71 & 0.47 \\
  progp & 1.81 & 3.89 & 0.64 \\
  trans & 1.61 & 2.33 & 0.39 \\
\end{tabular}
\caption{Results for gzip-b (sorted by file)}
