set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@Sollen\" [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	1.19071858675992
1760	6.85387409701023
1765	10.2221533273584
1770	9.03143474059851
1775	3.3682792303482
1780	0.386149139292876
1785	1.62226447379805
1790	4.82342542817083
1795	4.43727628887796
1800	3.74823844997893
1805	1.41146346261115
1810	2.10259090670931
1815	1.92766157460035
1820	1.30675411194342
1825	1.2893301275186
1830	1.52229824125435
1835	1.74213879595855
1840	2.09860765717153
1845	3.03958484349717
1850	3.54873410247841
1855	3.336991232409
1860	2.67317364063456
1865	3.17384196242333
1870	3.34023018446646
1875	3.4354874851631
1880	3.23477338864281
1885	3.46706572540539
1890	3.82822868654349
1895	3.96468050193951
1900	4.19455454724574
1905	4.18571235819382
1910	4.1075639730945
1915	2.66057991816565
1920	1.99608896039803
e