SP66
May 1, 1990
SP64
April 1, 1990
SP65
SP57
March 1, 1990
SP53
SP50
February 1, 1990
SP49
SP56
SP58
January 1, 1990
SP55
SP52
December 1, 1989
SP42
SP51
November 1, 1989
SP44
SP46
October 1, 1989
SP47
SP43
September 1, 1989
SP38
August 1, 1989
SP41
SP40
SP39
July 1, 1989
SP34
June 15, 1989
SP36
June 1, 1989
SP37
SP33
May 1, 1989
SP35
SP32
April 1, 1989
SP24
March 1, 1989
SP30
SP27
SP31
SP29
February 1, 1989
SP28
January 1, 1989
SP22
SP25
December 1, 1988
SP26
