(Italy, 1982)

(United States of America, 1988)

(Germany, 1961)

(Greece, 1987)

(Singapore, 1994)

(United States of America, 1990)

(United States of America, 1992)

(Poland, 1995)

(The Netherlands, 1970)

(United Kingdom of Great Britain and Northern Ireland, 1988)

(Denmark, 1992)

(France, 1986)

(United States of America, 1976)

(Jamaica, 1963)

(Belgium, 1976)

(Kazakhstan, 1981)

(The Netherlands, 1981)

(United States of America, 1990)

(Viet Nam, 1986)

(Austria, 1982)

(Sweden, 1983)

(Korea, Republic of, 1969)

(Mexico, 1978)