# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'histograms.5.png'
set border 3 front linetype -1 linewidth 1.000
set boxwidth 0.75 absolute
set style fill  solid 1.00 border -1
set grid nopolar
set grid noxtics nomxtics ytics nomytics noztics nomztics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid layerdefault   linetype 0 linewidth 1.000,  linetype 0 linewidth 1.000
set key outside right top vertical Left reverse enhanced autotitles columnhead nobox
set key invert samplen 4 spacing 1 width 0 height 0 
set style histogram rowstacked title  offset character 0, 0, 0
set datafile missing '-'
set style data histograms
set xtics border in scale 1,0.5 nomirror rotate by -45  offset character 0, 0, 0 
set xtics   ("1891-1900" 0.00000, "1901-1910" 1.00000, "1911-1920" 2.00000, "1921-1930" 3.00000, "1931-1940" 4.00000, "1941-1950" 5.00000, "1951-1960" 6.00000, "1961-1970" 7.00000)
set noytics
set title "US immigration from Europe by decade\nFraction of total plotted as stacked histogram" 
set ylabel "% of total" 
set yrange [ 0.00000 : 100.000 ] noreverse nowriteback
plot 'immigration.dat' using (100.*$2/$24):xtic(1) t 2, '' using (100.*$3/$24) t 3, '' using (100.*$4/$24) t 4, '' using (100.*$5/$24) t 5, '' using (100.*$6/$24) t 6, '' using (100.*$7/$24) t 7, '' using (100.*$8/$24) t 8, '' using (100.*$9/$24) t 9, '' using (100.*$10/$24) t 10, '' using (100.*$11/$24) t 11, '' using (100.*$12/$24) t 12, '' using (100.*$13/$24) t 13, '' using (100.*$14/$24) t 14, '' using (100.*$15/$24) t 15, '' using (100.*$16/$24) t 16, '' using (100.*$17/$24) t 17, '' using (100.*$18/$24) t 18, '' using (100.*$19/$24) t 19, '' using (100.*$20/$24) t 20, '' using (100.*$21/$24) t 21, '' using (100.*$22/$24) t 22, '' using (100.*$23/$24) t 23