\definepapersize[a4-portrait][A4][A4]
\setupcolors[state=start] % otherwise you get greyscale
\usecolors[crayola]
% for charts and graphs
\usemodule[statistical-charts]
% Setup the section headers
\setuphead[section,chapter,subject][color=black]
\setuphead[section,subject][style={\bf},  before={}, after={}]
\setuppapersize[a4-portrait]
\setuppagenumber[state=stop]
% define layouts
\setuplayout[topspace=10mm,
backspace=15mm,
header=50pt,footer=50pt,
textwidth=165mm,
height=middle,width=middle]

% =============== DOC STARTS HERE ===============
\starttext
\def\unemploydataone{20,17.2,-14.2,29.3,22.5,-18.4}
\def\agelabels{15--24,25--29,30--34,35--44,45--54,55+}

\columnchart[basic]
[xscale=1.1, yscale=0.25,yshift=-6.0,
left=0.5, distance=0.75,
columncolor=tamarange,columntransparency=0.7,
axesunits=yes,xunit=Age, yunit=Number ofunemployed persons (thousands)]
[data={\unemploydataone},xlabels={\agelabels}]

\stoptext