In the last 23 years,

AUS have won 16 WCs
ITA - 3 WCs
USA - 2 WCs
GER - 2 WCs

And each year the top 10 results are really impressive for AUS.

WORLD CHAMPIONS:
YEAR VENUE CHAMPION NATIONALITY
1981 Botany Bay (Aust.) B. Anderson Australia
1982 Cesanatico (Italy) A. Babbi Italy
1984 Wellington (N.Z.) A. Goodall Australia
1985 Spray Beach (USA.) A. Goodall Australia
1986 Brenzone (Italy) S. Anderson Australia
1987 Blairgowrie (Aust.) B. Schafferius Australia
1988 Turkey Point(Can.) G. Goodall Australia
1990 Napier (N.Z.) G. Goodall Australia
1991 Gromitz (Germany) P. McKenzie Australia
1992 Silvaplana (Switz.) P. McKenzie Australia
1993 Sanguinet (France) E. Babbi Italy
1994 Lake Cootharaba (Aust) M. Booth Australia
1995 Andijk (Holland) E. Babbi Italy
1996 L'Estartit (Spain) G. Ashby Australia
1997 Long Beach (USA.) P. Melvin U.S.A.
1999 McCrae (Aust.) N. Bunkenburg Germany
2000 Cesenatico (Italy) N. Bunkenburg Germany
2001 Port Genesta (Spain) S. Brewin Australia
2002 Martha's Vineyard (USA) G. Ashby Australia
2004 New Plymouth (NZ) G. Ashby Australia
2005 Sanguinet (France) P. Melvin U.S.A.
2006 Vastervik (Sweden) G. Ashby Australia
2007 Ismoralda (US) G.Ashby Australia