| 2005 | 10 | 7 | | Cosworth | Bridgestone | |
| 2004 | 10 | 1 | | Cosworth | Bridgestone | |
| 2003 | 10 | 0 | | Cosworth | Bridgestone | |
| 2002 | 9 | 2 | | Asiatech | Michelin | |
| 2001 | 11 | 0 | | European | Michelin | |
| 2000 | 10 | 0 | | Fondmetal | Bridgestone | |
| 1999 | 10 | 1 | | Ford | Bridgestone | |
| 1998 | – | – | | Ford | Bridgestone | |
| 1997 | – | – | | Hart | Bridgestone | |
| 1996 | – | – | | Ford | Goodyear | |
| 1995 | 10 | 1 | | Ford | Goodyear | |
| 1994 | 10 | 5 | | Ford | Goodyear | |
| 1993 | 8 | 7 | | Ford | Goodyear | |
| 1992 | 11 | 1 | | Lamborghini | Goodyear | |
| 1991 | 7 | 6 | | Ferrari | Goodyear | |
| 1990 | – | – | | Ford | Pirelli | |
| 1989 | 11 | 6 | | Ford | Pirelli | |
| 1988 | 10 | 1 | | Ford | Goodyear | |
| 1987 | – | – | | Motori Moderni | Goodyear | |
| 1986 | – | – | | Motori Moderni | Pirelli | |
| 1985 | – | – | | Ford, Motori Moderni | Pirelli | |