set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@sult\" [slice=5 norm=date+class win=1]";
;
;
plot "-" title "Schulbuch";
1645	0
1650	0
1655	0
1660	0
1665	0
1670	0
1675	0
1680	0
1685	0
1690	0
1695	0
1700	0
1705	0
1710	0
1715	0
1720	0
1725	0
1730	0
1735	0
1740	0
1745	0
1750	0
1755	0
1760	0
1765	0
1770	0
1775	0
1780	0
1785	0
1790	0
1795	0
1800	0
1805	0
1810	0
1815	0
1820	0
1825	0
1830	0
1835	0
1840	0
1845	0.0368117491323471
1850	0.0368117491323471
1855	0.121476864734096
1860	0.109172778706864
1865	1.88921288515879
1870	2.3198593425652
1875	3.03655815090156
1880	1.30792905630022
1885	3.07322167608007
1890	2.93155396386668
1895	3.41718911845048
1900	1.72853294813337
1905	1.41151680803002
1910	2.876553863136
1915	2.28460584066511
1920	3.00312483231054
e