Just take a look at this...
1984 - 2nd in a Toleman, first year in Formula 1, a bloody rookie. (actually won the race)
1985 - Pole Position but retired from race
1986 - 3rd on grid and ended 3rd.
1987 - Won the race
1988 - Pole Position but had to retire due to a crash when he was something like 50 seconds ahead of Prost in the same car.
1989 - Pole Position and won the race.
1990 - Pole Position and won the race.
1991 - Pole Position and won the race.
1992 - Won the race.
1993 - Started third, won the race.
All of this in three different cars. 1988 he outqualified Prost by 1.4 seconds in identical machinery.
1984 - 2nd in a Toleman, first year in Formula 1, a bloody rookie. (actually won the race)
1985 - Pole Position but retired from race
1986 - 3rd on grid and ended 3rd.
1987 - Won the race
1988 - Pole Position but had to retire due to a crash when he was something like 50 seconds ahead of Prost in the same car.
1989 - Pole Position and won the race.
1990 - Pole Position and won the race.
1991 - Pole Position and won the race.
1992 - Won the race.
1993 - Started third, won the race.
All of this in three different cars. 1988 he outqualified Prost by 1.4 seconds in identical machinery.