Disqualification Ratio

until 1978 United States GP

Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

Pos	Sponsor	Disqualification Ratio	Disqualifications	Entries
1	Dempster	16.67%	2	12
2	Viceroy	6.25%	1	16
3	BAF	5.00%	1	20
4	Auto Motor und Sport	4.17%	1	24
5	Matchbox	3.85%	1	26
	SCS Micro System	3.85%	1	26
	Varig	3.85%	1	26
8	Michelin	3.33%	1	30
9	Tissot	2.33%	1	43
10	Warsteiner	2.22%	1	45
11	Chesterfield	1.79%	1	56
12	Texaco	1.43%	3	210
13	STP	1.30%	2	154
14	Fiat	1.25%	1	80
15	GKN	1.23%	1	81
16	Beta	1.18%	1	85
16	Embassy	1.18%	1	85
18	Esso	1.06%	1	94
19	John Player Special	0.99%	2	203
20	Gold Leaf	0.94%	1	106
21	Koni	0.87%	1	115
22	UOP	0.83%	1	120
23	Duckhams	0.69%	1	144
24	Yardley	0.67%	1	149
25	Heuer	0.63%	2	317
26	Agip	0.63%	1	159
27	Firestone	0.63%	2	319
28	Martini	0.60%	1	167
29	Fina	0.58%	2	345
30	Ferodo	0.56%	1	180
31	Marlboro	0.52%	2	386
32	Champion	0.46%	3	650
33	Ford	0.38%	1	263
34	Shell	0.31%	1	319
35	Goodyear	0.30%	4	1315

Finishing position: