21st Fastest Laps in a Season

Fastest Lap position:

Pos	Lubricant Manufacturer	Year	21st Fastest Laps
1	BP	1991	9
2	Elf	1990	8
3	Valvoline	1981	7
3	Agip	1985	7
5	Castrol	1987	6
5	Agip	1992	6
7	Valvoline	1983	5
	Agip	1986	5
	Shell	1986	5
	Valvoline	1988	5
	BP	1990	5
	Agip	1991	5
13	Unipart	1980	4
	Agip	1982	4
	Valvoline	1982	4
	Agip	1983	4
	Agip	1984	4
	Elf	1984	4
	Agip	1987	4
	Elf	1987	4
	BP	1988	4
	Agip	1989	4
	Elf	1992	4
24	Castrol	1978	3
	Elf	1980	3
	Shell	1984	3
	Valvoline	1984	3
	Elf	1985	3
	Shell	1985	3
	Elf	1986	3
	BP	1989	3
	Agip	1990	3
33	Fina	1974	2
	Esso	1975	2
	Fina	1975	2
	Elf	1978	2
	Shell	1979	2
	Texaco	1979	2
	Valvoline	1979	2
	Agip	1981	2
	Elf	1983	2
	Shell	1983	2
	Castrol	1986	2
	Mobil	1989	2
	Unipart	1989	2
	Sasol	1992	2
	Shell	1992	2
48	Shell	1962	1
	Esso	1971	1
	Shell	1971	1
	Shell	1972	1
	Duckhams	1975	1
	Elf	1975	1
	UOP	1975	1
	Texaco	1976	1
	Texaco	1977	1
	Shell	1978	1
	Elf	1979	1
	Essex	1979	1
	Agip	1980	1
	Castrol	1980	1
	Shell	1980	1
	Elf	1981	1
	Shell	1981	1
	Unipart	1981	1
	Elf	1982	1
	Unipart	1983	1
	Mobil	1984	1
	Castrol	1985	1
	BP	1987	1
	Agip	1988	1
	Castrol	1988	1
	Elf	1988	1
	Shell	1988	1
	Antar	1989	1
	Castrol	1989	1
	Elf	1989	1
	Elf	1991	1
	Shell	1991	1
	BP	1992	1

Fastest Lap position: