United Kingdom 12% · Netherlands 9% · Germany 8% · Belgium 6% · France 6% · Spain 5% · Italy 5% · Hungary 4% · Czech Republic 4% · Greece 4% · Romania 4% · Slovenia 3% · Portugal 3% · Sweden 3% · Austria 3% · Finland 3% · Bulgaria 2% · Croatia 2% · Denmark 2% · Ireland 2% · Poland 2% · Lithuania 2% · Slovakia 2% · Estonia 1% · Latvia 1% · Malta 1% · Luxembourg 1%
Peak age 25-34 (40%)