set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@solltest\" [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	0.412038444835057
1790	0.767722995320922
1795	1.09074326064331
1800	1.33519781053563
1805	2.88116238746077
1810	2.85433959818045
1815	2.49556513425083
1820	2.05478703292824
1825	1.95673763326068
1830	1.88195667828559
1835	1.86895771173553
1840	2.06702975877883
1845	2.61713891473545
1850	1.82634004305759
1855	2.02277572885201
1860	1.93594356401595
1865	2.12285490938698
1870	2.6982386656599
1875	3.12920486726614
1880	3.2491768062331
1885	3.16826462798368
1890	3.33228997504492
1895	3.42847658463901
1900	3.48982954869296
1905	3.14180420534275
1910	2.95682325033131
1915	7.77831394468206
1920	10.2676997586323
e