All champions since 1973
By season
2011
ItalyITA2007
ItalyITA2003
ChinaCHN1999
CubaCuba1995
CubaCuba1991
CubaCuba1989
CubaCuba1985
ChinaCHN1981
ChinaCHN1977
JapanJAP1973
Soviet UnionSoviet UnionMost successful
4
CubaCuba1999 1995 1991 1989
3
ChinaCHN2003 1985 1981
2
ItalyITA2011 2007
1
JapanJAP1977
1
Soviet UnionSoviet Union1973