Diagram shows population statistics of the german city <a href="https://en.wikipedia.org/wiki/Kamenz" class="extiw" title="en:Kamenz">Kamenz</a>.
<a href="//commons.wikimedia.org/wiki/User:Dabbelju" title="User:Dabbelju">Dabbelju</a>
CC BY-SA 3.0
Diagram drawn by myself with <a href="https://en.wikipedia.org/wiki/Gnuplot" class="extiw" title="en:Gnuplot">Gnuplot</a>, see script and data below