with a svg versionCreated by using gnuplot 4.4 patchlevel 0-rc1 (it allowed me to modify font size of the key which the current stable release does not)Script:

set terminal svg enhanced fname "Helvetica" fsize 10 size 600 500set output "AustralianReligiousAffiliation.svg"set style histogram rowstackedset boxwidth .7 absoluteset style fill solid 1.0 border -1set style data histogramsset yrange [0:100]set ylabel "% self-describing religious affiliation"set xlabel "Census Year"set key outside bottom right horizontal font "Helvetica,8"set title "Major religious affiliations described in Australian censuses" font "Helvetica,14"plot 'australia.data-2' \using 2 t "Anglican" fs pattern 2 lc rgb "blue" , \'' using 3 t "Catholic" fs pattern 5 lc rgb "red" , \'' using 4 t "Other Christian"  fs  pattern 1 lc rgb "gray" , \'' using 6 t "Other religions" fs solid lc rgb "yellow", \'' using 7 t "No religion" fs pattern 4 lc rgb "green", \'' using 8:xtic(1) t "Not stated/inadequately described"  fs pattern 3 lc rgb "purple"