set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@solst\" [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	0.229353747651704
1730	0.229353747651704
1735	1.01680802608766
1740	0.787454278435958
1745	0.787454278435958
1750	0
1755	0
1760	0
1765	0
1770	0
1775	0
1780	0
1785	0
1790	0
1795	0.646040530644771
1800	0.646040530644771
1805	0.646040530644771
1810	0
1815	0
1820	0
1825	0
1830	0.0318482251175231
1835	0.0318482251175231
1840	0.0318482251175231
1845	0
1850	0.0262829275144193
1855	0.0262829275144193
1860	0.0262829275144193
1865	0
1870	0
1875	0.0429684910980566
1880	0.0429684910980566
1885	0.0429684910980566
1890	0.00821285971545332
1895	0.0291367363297801
1900	0.0544336603669978
1905	0.0690509112878872
1910	0.084092601527579
1915	0.0587956774903613
1920	0.0539483502810277
e