- USA (duh)
- France, 1994
- Canada, 1997
- Netherlands, 1998
- Switzerland, 1998
- Lichtenstein, 1998
- Germany, 1998
- Austria, 1998
- Kenya, 1998
- Tanzania, 1998
- Mexico, 1999
- Greece, 2000
- Cameroon, 2000
- Italy, 2000
- Vatican City, 2000
- United Kingdom, 2001
- Poland, 2001
- South Africa, 2003
- Japan, 2004
- United Arab Emirates, 2005
- Rwanda, 2005
- Democratic Republic of Congo, 2005
- Uganda, 2006
- Zambia, 2007
- Zimbabwe, 2007
- Turkey, 2008
- Kosovo, 2008
- Macedonia, 2008
- Albania, 2008
- Montenegro, 2008
Admittedly questionable:
- Burundi, 2007
- Malawi, 2007
