UK: https://www.gov.uk/government/collections/crime-statistics#history
Belgium: http://www.police.be/fed/fr/statistiques
Swiss: http://www.bfs.admin.ch/bfs/portal/de/index/news/publikationen.html?publicationID=6354
France: http://www.cartocrime.net/Cartocrime2/index.jsf
Finland: http://www.stat.fi/til/rpk//index_en
Denmark: http://www.statistikbanken.dk/statbank5a/default.asp?w=768
Germany: https://www.polizei.nrw.de/media/Dokumente/koelner-studie-2011.pdf