Flourish is a data visualisation site with a free plan that enables you to embbed your chart to your website. The following example shows the number of passanger cars per 1000 inhabitants in selected European countries. Passanger cars: “Road motor vehicle, other than a moped or a motor cycle, intended for the carriage of passengers and designed to seat no more than nine persons (including the driver).” (Eurostat Glossary) Data are downloadable from the Eurostat. Countries are grouped into two categories: Visegrad countries (V4) and non-Visegrad countries (NV4). One can filter groups interactivelly by clicking to group legends.
Notes: LT’s definition differs. PL’s had a break in time-series in 2009.