set style data l;

set xlabel "date";
set ylabel "frequency (per million)";
set xrange [*:*]
set yrange [0:*];
unset grid;
;
set title "\"\@solle\" [slice=5 norm=date+class win=1]";
;
;
plot "-" title "Schulbuch";
1645	122.669283611384
1650	61.3346418056919
1655	40.8897612037946
1660	0
1665	0
1670	0
1675	0
1680	0
1685	0
1690	0
1695	0
1700	0
1705	49.8142344174848
1710	49.8142344174848
1715	49.8142344174848
1720	5.11372934053346
1725	46.3974039178402
1730	46.3974039178402
1735	70.4194828794372
1740	29.1358083021305
1745	64.9500714012833
1750	35.8142630991528
1755	56.0564790740715
1760	37.2316825056696
1765	52.3889390422365
1770	42.9707450357528
1775	27.6365609665393
1780	16.0833630633726
1785	14.7362253261439
1790	16.993472919951
1795	19.8498195929985
1800	37.5079791438571
1805	49.6730280748057
1810	54.6655918419846
1815	46.2868155001782
1820	44.3309897660731
1825	41.7154248987497
1830	62.2598672535148
1835	105.821336853335
1840	126.224977755266
1845	107.244353481298
1850	68.9579311349317
1855	62.2942501871634
1860	64.7662913538648
1865	64.044566792637
1870	61.1062992479261
1875	60.4107191073447
1880	60.7834230535728
1885	60.3699379490407
1890	57.5079088554567
1895	55.5130884054912
1900	52.6039928982734
1905	50.4663745474729
1910	49.3581497454115
1915	53.9365324011476
1920	55.2594499475345
e