set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@Könnte\" [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	1.6841396151741
1770	1.6841396151741
1775	2.51178084594282
1780	1.59993950935447
1785	2.83605484385964
1790	2.36409816357679
1795	1.59179988499104
1800	0.902762046092012
1805	2.27584942961616
1810	2.57204690565822
1815	2.24825830815039
1820	0.945573756749504
1825	1.08530204873136
1830	1.2123436269258
1835	1.24957530336895
1840	1.17024764642106
1845	1.37209340711351
1850	1.64469631846498
1855	1.65498037499653
1860	1.51943441079828
1865	1.42800972031678
1870	1.63369596716271
1875	1.86159306084661
1880	1.83402792313138
1885	1.82865640636608
1890	1.88222211570876
1895	1.96275252731263
1900	2.23541350766005
1905	2.41913345517526
1910	2.46495928301408
1915	7.59507245061888
1920	10.0698891409352
e