#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'histograms.5.png'
set border 3 front lt black linewidth 1.000 dashtype solid
set boxwidth 0.75 absolute
set style fill   solid 1.00 border lt -1
set grid nopolar
set grid noxtics nomxtics ytics nomytics noztics nomztics nortics nomrtics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   lt 0 linecolor 0 linewidth 0.500,  lt 0 linecolor 0 linewidth 0.500
set key outside right top vertical Left reverse noenhanced autotitle columnhead nobox
set key invert samplen 4 spacing 1 width 0 height 0
set style histogram rowstacked title textcolor lt -1
unset parametric
set datafile missing '-'
set style data histograms
set xtics border in scale 0,0 nomirror rotate by -45  autojustify
set xtics  norangelimit 
set xtics   ()
unset ytics
set title "US immigration from Europe by decade\nFraction of total plotted as stacked histogram" 
set xrange [ * : * ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set ylabel "% of total" 
set yrange [ 0.00000 : 100.000 ] noreverse writeback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
NO_ANIMATION = 1
## Last datafile plotted: "immigration.dat"
plot 'immigration.dat' using (100.*$2/$24):xtic(1) t column(2),      for [i=3:23] '' using (100.*column(i)/column(24)) title column(i)