32nd: New Delhi, 2018

31st: London, 2016

30th: Bangkok, 2015

29th: Cape Town, 2012

28th: Seoul, 2008

27th: Berlin, 2004

26th: Buenos Aires, 2000

25th: Barcelona, 1996

24th: New Delhi, 1992

23rd: London, 1988

22nd: Mexico City, 1984

21st: Stockholm, 1980

20th: Kyoto/Tokyo, 1976

19th: Paris, 1972

18th: Amsterdam, 1968

17th: Washington, 1965

16th: Barcelona, 1962

15th: Vienna, 1959

14th: Florence, 1956

13th: Zurich, 1954

12th: Leipzig, 1938

11th: London, 1936

10th: Brussels, 1933

9th: Paris, 1931

8th: Budapest, 1913

7th: Amsterdam, 1910

6th: Madrid, 1908

5th: Milan, 1906

4th: Leipzig, 1901

3rd: London, 1899

2nd: Brussels, 1897

1st: Paris, 1896