Date |
Location |
Series |
2018 |
Bonn, Germany |
XVIII |
2015 |
Piracicaba, Brazil |
XVII |
2012 |
Hämeenlinna, Finland |
XVI |
2009 |
Madison, Wisconsin, USA |
XV |
2005 |
Belfast, Northern Ireland, UK |
XIV |
2002 |
Auchincruive, Scotland, UK |
XIII |
1999 |
Uppsala, Sweden |
XII |
1996 |
Aberystwyth, Wales, UK |
XI |
1993 |
Dublin, Ireland |
X |
1990 |
Newcastle, UK |
IX |
1987 |
Hurley, UK |
VIII |
1984 |
Belfast, Northern Ireland, UK |
VII |
1981 |
Edinburgh, Scotland, UK |
VI |
1978 |
Ayr, Scotland, UK |
V |
1976 |
Hurley, UK |
IV |
1974 |
Edinburgh, Scotland, UK |
III |
1972 |
Hurley, UK |
II |
1970 |
Edinburgh, Scotland, UK |
I |