set title "A vércukor- és az inzulinszint emelkedése" font ",14"
set tics font "Helvetica,14"


set label "Normális" at first -0.9, first 11 font "Helvetica,14"
set xlabel "Eltelt évek" font ",14"

red = "#FF0000"; green = "#00FF00"; blue = "#0000FF"; skyblue = "#87CEEB";
set yrange [0:100]
set style data histogram
set style histogram cluster gap 1
set style fill solid
set boxwidth 0.9

set xtics format " "
set xtics scale 0
unset ytics


plot "cukinz.dat" using 2:xtic(1) title "vércukor" linecolor rgb red,   \
     "cukinz.dat" using 3 title "inzulin" linecolor rgb blue, \
     8 title ""