Kann man mit einem Datensatz zwei Ausgaben (Kreis- und Balkendiagramm) erreichen?

\documentclass[tikz]{standalone}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\definecolor{deep brown}{RGB}{125,91,49}
\definecolor{dark blue}{RGB}{0,0,181}
\definecolor{dark green}{RGB}{72,142,65}
\definecolor{crimson red}{RGB}{198,18,24}
\definecolor{light red}{RGB}{255,51,0}
\def\angle{0}
\def\radius{3}
\newcommand\square[1]{%
  \tikz\filldraw[color=#1] (0,0) rectangle (1.5ex,1.5ex);%
}
\newcount\ind
\begin{document}

\newcommand\data{
  14.8/Framsóknarflokkur/deep brown,
  23.7/Sjálfstæðisflokkur/dark blue,
  7.2/Borgarahreyfingin/blue,
  0.6/Lýðræðishreyfingin/light red,
  29.8/Samfylkingin/crimson red,
  21.7/Vinstrihreyfingin--grænt framboð/dark green,
  2.2/Sonstige/gray%
}

\begin{tikzpicture}
  \begin{scope}
    \global\ind=-1
    \foreach \percent/\name/\color in \data {
      \ifx\percent\empty\else                 % If \percent is empty, do nothing
      \global\advance\ind by 1              % Advance list index
      % Draw angle and set labels
      \filldraw[color=\color] (0,0) -- (\angle:\radius) arc (\angle:\angle+\percent*3.6:\radius) -- cycle;
      \node[anchor=base west] at (\radius+2,1.5-.5*\ind) {\square{\color} \name};
      \node[pin=\angle+0.5*\percent*3.6:\percent\%] at (\angle+0.5*\percent*3.6:\radius) {};
      \pgfmathparse{\angle+\percent*3.6}    % Advance angle
      \xdef\angle{\pgfmathresult}           %   and store in \angle
      \fi
    };    
  \end{scope}

  \pgfmathsetmacro\barmaxheight{5}
  \begin{scope}[shift={(-2,-4-\barmaxheight)}]
    \draw[<->] (0,\barmaxheight+0.5) |- (8,0);
    \draw (2pt,\barmaxheight) -- (-2pt,\barmaxheight) node[left] {100\%};
    \draw (2pt,.5*\barmaxheight) -- (-2pt,.5*\barmaxheight) node[left] {50\%};
    \global\ind=-1
    \foreach \percent/\name/\color in \data {
      \ifx\percent\empty\else                 % If \percent is empty, do nothing
      \global\advance\ind by 1              % Advance list index
      % Draw angle and set labels
      \filldraw[color=\color] (\ind+.7,0) rectangle (\ind+1.2,\barmaxheight/100*\percent);
      \node[above] at (\ind+1,\barmaxheight/100*\percent) {\percent\%};
      \node[rotate=45,anchor=base east,yshift=-1ex] at (\ind+1,0) {\name};
      \fi
    };    
  \end{scope}
\end{tikzpicture}
\end{document}