SP42
December 1, 1989
SP52
SP51
November 1, 1989
SP44
SP46
October 1, 1989
SP47
SP43
September 1, 1989
SP38
August 1, 1989
SP40
SP41
SP39
July 1, 1989
SP34
June 15, 1989
SP37
June 1, 1989
SP36
SP33
May 1, 1989
SP35
SP32
April 1, 1989
SP24
March 1, 1989
SP27
SP30
SP31
SP29
February 1, 1989
SP22
January 1, 1989
SP28
SP25
December 1, 1988
SP26
SP23
November 1, 1988
SP21
October 1, 1988
SP20
September 1, 1988
SP18
August 1, 1988
SP19
SP17
SP11
July 1, 1988
SP14
June 1, 1988
SP13
SP15
May 1, 1988
