Year
Record Finish
1981 - Edmonton, Alberta, Canada 9-2 Silver Medal
1985 - Fargo, North Dakota 6-3 Bronze Medal
1987 - Oklahoma City, Oklahoma 10-1  Gold Medal 
1991 - Adelaide, Australia 11-2  Silver Medal 
1995 - Normal, Illinois 15-0  Gold Medal 
1999 - Taipei, Taiwan 9-2  Silver Medal 
2003 - Nanjing, China 8-2  Silver Medal 
2007 - Enschede, Netherlands 10-0  Gold Medal 
2011 - Cape Town, South Africa 10-1 Gold Medal
2013 - Brampton, Ontario, Canada  9-1 Silver Medal
2015 - Oklahoma City, Okla. 10-0 Gold Medal