05 Oct 2009 General Assembly - Eighteenth session - Astana - Kazakhstan

23 Nov 2007 General Assembly - Seventeenth session - Cartagena de Indias - Colombia

28 Nov 2005 General Assembly - Sixteenth session - Dakar - Senegal

27 Sep 1999 General Assembly - Thirteenth session - Santiago - Chile

17 Oct 1995 General Assembly - Eleventh session - Cairo - Egypt

04 Oct 1993 General Assembly - Tenth session - Bali - Indonesia

30 Sep 1991 General Assembly - Ninth session - Buenos Aires - Argentina