\begin{tabular}{rrrr}
  \hline
  Method & 
  Compression Ratio & 
  Compression Time & 
  Decompression Time \\
  \hline
  bib & 1.97 & 4.51 & 1.44 \\
  book1 & 2.51 & 5.09 & 2.08 \\
  book2 & 2.08 & 5.04 & 1.97 \\
  geo & 4.45 & 6.28 & 2.46 \\
  news & 2.52 & 5.00 & 1.91 \\
  obj1 & 4.01 & 8.91 & 2.86 \\
  obj2 & 2.48 & 5.15 & 1.90 \\
  paper1 & 2.49 & 5.62 & 1.90 \\
  paper2 & 2.44 & 4.88 & 1.81 \\
  pic & 0.78 & 1.62 & 0.59 \\
  progc & 2.53 & 6.23 & 2.02 \\
  progl & 1.74 & 5.17 & 1.51 \\
  progp & 1.74 & 5.49 & 1.60 \\
  trans & 1.53 & 5.17 & 1.37 \\
\end{tabular}
\caption{Results for bzip2-6 (sorted by file)}
