Countries: Argentina (1970, 1980, 1991), Armenia (2011), Austria (1971, 1981, 1991, 2001, 2011), Belarus (2009), Bolivia (1976, 1992, 2001), Botswana (1991, 2001, 2011), Cambodia (1998, 2008), Cameroon (2005), Chile (1960, 1970, 1982, 1992, 2002), China (1982, 1990, 2000), Colombia (1964, 1973, 2005), Costa Rica (1963, 1973, 1984, 2000, 2011), Dominican Republic (1960, 1970, 1981, 2002, 2010), Ecuador (1962, 1982, 1990, 2001, 2010), Egypt (1986, 1996, 2006), El Salvador (1992, 2007), Ethiopia (1984, 1994), Fiji (1966, 1976, 1986, 1996, 2007), France (1962, 1968, 1975, 1982, 2006, 2011), Germany (1970, 1987), Ghana (2000), Greece (1971, 1981, 1991, 2002, 2011), Haiti (1982, 2003), Hungary (2001, 2011), India (1983, 1987, 1993, 1999, 2004, 2009), Indonesia (1971, 1976, 1980, 1985, 1990, 1995, 2005), Iran (2006, 2011), Iraq (1997), Ireland (1971, 1981, 1986, 1991, 1996, 2002, 2006, 2011), Italy (2001), Jamaica (1982, 1991, 2001), Jordan (2004), Kyrgyz Republic (1999, 2009), Malawi (1987, 1998, 2008), Malaysia (1970, 1980, 1991, 2000), Mexico (1960, 1970, 1990, 2000, 2010, 2015), Mongolia (2000), Morocco (1982, 1994), Mozambique (1997, 2007), Nicaragua (1971, 1995, 2005), Nigeria (2008, 2009), Pakistan (1973), Panama (1960, 1970, 1980, 1990, 2000, 2010), Paraguay (1962, 1972, 1982, 1992, 2002), Peru (1993, 2007), Philippines (1990, 1995, 2000), Poland (2002), Portugal (1981, 1991, 2001, 2011), Puerto Rico (1970, 1980, 1990, 2000, 2010), Romania (1977, 1992, 2002), Rwanda (2002), Saint Lucia (1991), Senegal (1988), South Africa (1996, 2001, 2007), South Sudan (2008), Spain (1981, 1991, 2001, 2011), Sudan (2008), Switzerland (1970, 1980, 1990, 2000), Thiland (1970, 1980, 1990, 2000), Trinidad and Tobago (1980, 1990, 2000), Turkey (1985, 1990, 2000), United Kingdom (1991), Uruguay (1963, 1996, 2006), Venezuela (1981, 1990, 2001), Vietnam (1999, 2009) , Zambia (1990, 2000, 2010).