27th (1998) – IRELAND (Dublin)
26th (1995) – BRAZIL (São Paulo)
25th (1992) – SPAIN (Barcelona)
24th (1989) – GERMANY (Munich)
23rd (1987) – NEW ZEALAND (Hamilton)
22nd (1983) – FRANCE (Lyon)
21st (1980) – JAPAN (Kyoto)
20th (1977) – DENMARK (Copenhagen)
19th (1974) – CANADA (Winnipeg)
18th (1971) – USSR (St. Petersburg)