# set terminal pngcairo  background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'boxplot.2.png'
set border 2 front linetype -1 linewidth 1.000
set boxwidth 0.5 absolute
set style fill   solid 0.25 border lt -1
unset key
set pointsize 0.5
set style data boxplot
set xtics border in scale 0,0 nomirror norotate  offset character 0, 0, 0 autojustify
set xtics  norangelimit
set xtics   ()
set ytics border in scale 1,0.5 nomirror norotate  offset character 0, 0, 0 autojustify
set title "Distribution of energy usage of the continents, grouped by type of energy source\n" 
set ylabel "Billion Tons of Oil Equivalent" 
plot 'energy_circles.dat' using (1):($8/1.e6):(0):4