This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
OpenStreetMap registered users en.svg OpenStreetMap registered users en svg own Kocio other versions Created with Gnuplot Source code set timefmt set datafile separator unset key set style data lines set style fill transparent solid set grid set xdata time set xlabel 'Date' set xrange ' ' set format ' Y' set ylabel 'Number