\documentclass[a4paper, 12pt]{book}
\usepackage[frenchb, english]{babel}
\usepackage{amsmath, amssymb, hymcbk, hybook1, xspace}
%\usepackage{epic, eepic}
%\usepackage{euscript}
%\usepackage{makeidx}
%\usepackage{array}
%\usepackage[T3,T1]{fontenc}
%\usepackage{tipa}
%\usepackage{lngtbl}
%\usepackage{calc, wasysym, textcomp}
\usepackage{pstricks, pst-node,pst-plot}


\newenvironment{psfig}[5][1cm]%  
{\psset{unit=#1}\par\medskip\par\noindent\begin{Sbox}\begin{pspicture}(#2,#3)(#4,#5)}%  
{\end{pspicture}\end{Sbox}\parbox[c]{\linewidth}{\makebox[\linewidth]{\TheSbox}}\medskip}  


\begin{document}

\thispagestyle{empty}
\vspace*{\stretch{1}}
% pie chart
\begin{psfig}{-.5}{-1}{11.5}{5.5}
\psset{fillstyle=solid,linewidth=.01}
\pswedge[hatchcolor=darkgray,fillstyle=crosshatch](3.5,2.5){2}{0}{86.4}
\pswedge[fillcolor=gray](3.5,2.5){2}{86.4}{129.6}
\pswedge[fillcolor=lightgray](3.5,2.5){2}{129.6}{216}
\pswedge[fillcolor=gray](3.5,2.5){2}{216}{244.8}
\pswedge[fillcolor=lightgray](3.5,2.5){2}{244.8}{360}
\tiny\SpecialCoor
\psset{framesep=1.5pt}
\uput{1.25}[43.2](3.5,2.5){\psframebox*{Bus}}\uput{1.25}[108](3.5,2.5){\psframebox*{Eco}}
\uput{1.25}[172.8](3.5,2.5){\psframebox*{MIS}}\uput{1.25}[230.4](3.5,2.5){\psframebox*{BS}}
\uput{1.25}[302.4](3.5,2.5){\psframebox*{Ot}}
\rput(7.5,2){Pie chart for the}\rput(7.5,1.5){frequency distribution}\rput(7.5,1){of Table 2}
\footnotesize
\uput{2.2}[43.2](3.5,2.5){\psframebox*{24\%}}\uput{2.2}[108](3.5,2.5){\psframebox*{12\%}}
\uput{2.2}[172.8](3.5,2.5){\psframebox*{24\%}}\uput{2.2}[230.4](3.5,2.5){\psframebox*{8\%}}
\uput{2.2}[302.4](3.5,2.5){\psframebox*{32\%}}
\end{psfig}
\vspace*{\stretch{1}}
\end{document}
