Liens

http://www.freedomhouse.org/template.cfm?page=363&year=2010

http://www.worldbank.org/depweb/english/modules/mapglry.html

https://www.cia.gov/library/publications/the-world-factbook/index.html

http://www.nationmaster.com/statistics

http://www.worldaudit.org/civillibs.htm

http://en.wikipedia.org/wiki/Index_of_Economic_Freedom