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

8 July 2004 - 9 July 2004 Hyderabad - India

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