SP480 August 24, 1999
SP380 March 25, 1997
SP315 August 14, 1995
SP303 August 8, 1995
SP296 July 11, 1995
SP314 July 4, 1995
SP280 September 20, 1994
SP245 March 1, 1994
SP225 May 1, 1993
SP164 September 1, 1992
SP170 August 1, 1992
SP125 December 1, 1991
