These are from the "NADA Official Used Car Price Guide"

1990 (SOHC)
Coupe XE - 2657
Fastback SE - 2684

1992 (DOHC)
Coupe - 2699
Fastback - 2730
Coupe SE - 2712
Fastback SE - 2747
Fastback LE - 2748

1994
Convertible - 2870

1995
Coupe - 2815
Coupe SE - 2821