Most 21st Fastest Laps in a Season

Fastest Lap position:

Pos	Tyre Manufacturer	Year	21st Fastest Laps in a Season
1	Pirelli	2013	18
	Pirelli	2012	18
	Pirelli	2011	18
4	Goodyear	1987	17
4	Goodyear	1995	17
6	Goodyear	1992	16
	Bridgestone	2010	16
	Pirelli	2016	16
	Goodyear	1993	16
	Goodyear	1988	16
11	Bridgestone	2007	14
11	Goodyear	1994	14
13	Goodyear	1991	13
13	Goodyear	1978	13
15	Goodyear	1980	12
16	Pirelli	2014	11
	Bridgestone	2000	11
	Michelin	1981	11
	Goodyear	1979	11
	Goodyear	1976	11
21	Goodyear	1986	10
	Goodyear	1989	10
	Goodyear	1975	10
24	Pirelli	1982	9
	Bridgestone	2006	9
	Goodyear	1990	9
27	Bridgestone	1999	8
	Michelin	2001	8
	Goodyear	1985	8
30	Goodyear	1983	7
30	Pirelli	1990	7
32	Bridgestone	1997	6
	Bridgestone	1998	6
	Pirelli	1984	6
	Pirelli	1985	6
	Michelin	1983	6
37	Bridgestone	2001	5
	Goodyear	1997	5
	Pirelli	1986	5
	Goodyear	1984	5
	Dunlop	1961	5
	Pirelli	1989	5
	Goodyear	1998	5
44	Goodyear	1996	4
	Michelin	1984	4
	Firestone	1974	4
47	Goodyear	1982	3
	Bridgestone	2002	3
	Dunlop	1962	3
	Michelin	2002	3
	Michelin	1982	3
	Goodyear	1977	3
	Pirelli	1991	3
54	Firestone	1971	2
55	Michelin	1980	1
	Michelin	1979	1
	Avon	1981	1
	Pirelli	1983	1
	Bridgestone	2008	1
	Pirelli	1981	1
	Dunlop	1964	1
	Goodyear	1971	1
	Goodyear	1972	1
	Michelin	2006	1

Fastest Lap position: