See the results of Eurobarometer 79 (Question QA16.4 on page 59: http://ec.europa.eu/public_opinion/archives/eb/eb79/eb79_anx_en.pdf
Vt Eurobaromeetri uuringu nr 79 tulemused (küsimus QA16.4, lk 59: http://ec.europa.eu/public_opinion/archives/eb/eb79/eb79_anx_en.pdf