18th Fastest Laps in a Season

Fastest Lap position:

Pos	Lubricant Manufacturer	Year	18th Fastest Laps
1	Elf	1998	10
2	BP	1993	9
2	Agip	1995	9
4	Valvoline	1983	8
4	Elf	1997	8
6	Elf	1990	7
6	BP	1991	7
8	Agip	1984	6
	Agip	1985	6
	Elf	1986	6
	BP	1992	6
	Elf	1995	6
13	Agip	1981	5
	Valvoline	1981	5
	Valvoline	1982	5
	Castrol	1987	5
	Agip	1988	5
	Mobil	1989	5
	BP	1990	5
	Mobil	1994	5
	Mobil	1997	5
22	Shell	1978	4
	Agip	1979	4
	Elf	1983	4
	Elf	1984	4
	Shell	1985	4
	Castrol	1986	4
	Elf	1987	4
	Castrol	1988	4
	Agip	1989	4
	Elf	1989	4
	Agip	1992	4
	Agip	1993	4
	Agip	1994	4
	Elf	1994	4
36	Elf	1979	3
	Agip	1980	3
	Shell	1984	3
	Agip	1986	3
	Agip	1990	3
	Agip	1991	3
	Shell	1991	3
	Elf	1992	3
	Sasol	1992	3
	Castrol	1996	3
	Elf	1996	3
	Texaco	1998	3
	Repsol	1999	3
49	Motul	1974	2
	Duckhams	1975	2
	Esso	1975	2
	Fina	1976	2
	Castrol	1978	2
	Essex	1979	2
	Shell	1979	2
	Valvoline	1979	2
	Elf	1980	2
	Elf	1981	2
	Elf	1982	2
	Mobil	1983	2
	Antar	1985	2
	Castrol	1985	2
	Elf	1985	2
	Shell	1986	2
	Agip	1987	2
	Elf	1988	2
	Shell	1988	2
	BP	1989	2
	Elf	1991	2
	Castrol	1993	2
	Castrol	1994	2
	Havoline	1997	2
	Castrol	1999	2
74	Shell	1962	1
	Shell	1970	1
	STP	1970	1
	BP	1971	1
	Shell	1971	1
	Motul	1972	1
	BP	1973	1
	Shell	1974	1
	Fina	1975	1
	Shell	1976	1
	Sunoco	1976	1
	Fina	1977	1
	Elf	1978	1
	Valvoline	1978	1
	Mobil	1979	1
	Texaco	1979	1
	Shell	1980	1
	Shell	1981	1
	Unipart	1981	1
	Agip	1982	1
	Unipart	1982	1
	BP	1983	1
	Mobil	1984	1
	Valvoline	1984	1
	BP	1986	1
	BP	1987	1
	BP	1988	1
	Mobil	1988	1
	Valvoline	1988	1
	Antar	1989	1
	Elf	1993	1
	Sasol	1995	1
	Total	1995	1
	Shell	1997	1
	Total	1997	1
	Shell	1998	1
	Elf	1999	1
	Shell	1999	1
	Texaco	1999	1

Fastest Lap position: