# set terminal canvas  solid rounded size 600,400 fsize 10 lw 1.6 fontscale 1 name "histograms_1" jsdir "."
# set output 'histograms.1.js'
set key inside right top vertical Right noreverse noenhanced autotitle nobox
set datafile missing '-'
set style data linespoints
set xtics border in scale 1,0.5 nomirror rotate by -45  autojustify
set xtics  norangelimit
set xtics   ()
set title "US immigration from Europe by decade" 
x = 0.0
i = 22
plot 'immigration.dat' using 2:xtic(1) title columnheader(2), for [i=3:22] '' using i title columnheader(i)