unset key #曲線の説明や表題のリセット
set key Left width 1 height 0 spacing 1.5 reverse box
set term svg enh font "Times, 10" size 640,480 background "white" #SVG形式で出力、拡張機能、フォント、サイズ、背景
set out "ticketsales.svg"
set label "配給会社別年間興行収入" at sc 0.3, 0.90 font "TakaoGothic,18"
set xlabel "西暦" font "TakaoGothic,12"
set ylabel "興行収入 (単位:億円)" font "TakaoGothic,12"
set xrange [2000:2021]
set yrange [0:900]
set ytics 50
set grid
plot \
"toho.dat" title "東宝" lt -1 lw 1 pt 7 lc rgb "red" with linespoints, \
"toei.dat" title "東映" lt -1 lw 1 pt 9 lc rgb "blue" with linespoints, \
"syochiku.dat" title "松竹" lt 0 lw 3 pt 4 lc rgb "green" with linespoints