set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@könntet\" [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	1.02973103811434
1785	1.85380792778445
1790	1.85380792778445
1795	1.47011742031489
1800	0.755456029766
1805	2.13847357697401
1810	1.88736301438533
1815	1.92680678066297
1820	0.726398111716019
1825	0.371097758934831
1830	0.285934943771001
1835	0.624560006943755
1840	0.981150515086667
1845	1.2119480579104
1850	0.874694609077526
1855	1.04290858967137
1860	1.06701421697909
1865	1.34338892432262
1870	1.20265544700656
1875	1.23854587819903
1880	1.343711808611
1885	1.21542623279468
1890	1.27979202672383
1895	0.986281292353643
1900	1.18668595260383
1905	1.19589468154714
1910	1.36745961009379
1915	0.871639898964322
1920	0.665362986799342
e