13th: WCA 1990 Maebashi, Japan
14th: WCA 1993 Jerusalem, Israel
15th: WCA 1996 Montpellier, France
16th: WCA 1999 Buenos Aires, Argentina
17th: WCA 2003 St. Petersburg, Russia
18th: WCA 2006 Guadalajara, Mexico
19th: WCA 2008 Monte Carlo, Monaco
20th: WCA 2010 Athens, Greece
21st: WCA 2012 Quebec City, Canada
22nd: WCA 2014 Mexico City, Mexico