As far as I remember, and if I'm correct, but with some missing points :
1975
Fittipaldi/Mass (Mc Laren)
Regazzioni/Lauda (Ferrari)
Scheckter/Depailler (Tyrrell)
Peterson/Ickx (Lotus)
Reutemann/Pace (Brabham)
Hunt (Hesket)/ ? ?
Pryce/Jarier (Shadow)
Brambilla/Stuck (March)
? ?/Andretti (Parnelli ?)
Merzario (d°)/Laffite (Ligier)
Watson (Penske ?)/Amon (Surtees)
1976
Fittipaldi/Hoffmann (Copersucar)
Regazzioni/Lauda (Ferrari)
Reutemann/Pace (Brabham)
Hunt/Mass (Mc Laren)
Andretti/Nilson (Lotus)
Ickx ? (Ensign ?)/Laffite (Ligier)
? /Jones (Surtees ?)
Stuck/Peterson (March)
Pryce/Jarier (Shadow)
Scheckter/Depailler (Tyrrell)
Watson (Penske)/Amon (Surtees ? Ensign ?)