<!DOCTYPE DATES SYSTEM "/dtds/dates.dtd" > <DATES><DATE> 16 July 1991 </DATE><DATE> 8 September 1992 </DATE><DATE> May 1988 </DATE><DATE> 6 and 7 May 1991 </DATE><DATE> 14 November 1991 </DATE><DATE> 16 June 1959 </DATE><DATE> 26 October 1992 </DATE><DATE> 18 March 1980 </DATE><DATE> 16 June 1959 </DATE><DATE> 28 January 1992 </DATE><DATE> 4 September 1992 </DATE></DATES>