This work has been released into the public domain by its author, Dapete. This applies worldwide. In some countries this may not be legally possible; if so: Dapete grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Created with gnuplot using the following commands:

set terminal svg enhanced fname "Bitstream Vera Sans"
set output 'Population Overath.svg'

set xdata time
set timefmt x "%Y"
set format x "%Y"
set xrange [ * : "2006" ] noreverse nowriteback
set xtics nomirror

set yrange [ 0 : * ] noreverse nowriteback
set ytics nomirror

set grid ytics
set border 3

plot 'bev.dat' using 1:2 title "" with lines, 'bev.dat' using 1:3 title "" with lines

quit

bev.dat:

1939	6511	*
1946	10620	*
1950	10534	*
1961	11544	*
1967	13914	*
1970	15694	*
1975	*	20376
1980	*	21095
1985	*	22838
1990	*	23902
1995	*	25192
2000	*	26059
2001	*	26115
2002	*	26410
2003	*	26917
2004	*	27022
2005	*	27105