%% 
%%  A DANTE-Edition example
%% 
%%  Example 02-05-5 on page 48.
%% 
%%  Copyright (C) 2010 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}
\usepackage[utf8]{inputenc}

\usepackage{xcolor,booktabs}
\newlength{\basis}\setlength{\basis}{10cm} \newlength{\barlength}
\newcommand*{\Bar}[1]{%
  \setlength{\barlength}{0.01\basis}\setlength{\barlength}{#1\barlength}%
  \textcolor{black!40}{\rule{\barlength}{1.5ex}} #1\,\%}

\begin{document}
\begin{tabular}{@{}ll@{}}\toprule
\multicolumn{2}{c}{General opinion on social differences in Germany (n=509)}
    \\\midrule
\Bar{57}  & very large   \\ \Bar{23}  & large\\
\Bar{12}  & less large\\ \Bar{8}   & small\\\bottomrule
\end{tabular}
\end{document}