13th Place Finish 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	13th Place Finish Ratio	13th Place Finishes	Entries
1	Pinch	25.00%	1	4
2	Citizen	16.67%	1	6
3	Iberia Airlines	12.50%	1	8
4	BAF	10.00%	2	20
5	LEC	9.09%	1	11
6	HB Alarmsystemen	8.82%	3	34
7	F&S Properties	7.69%	2	26
8	Tissot	6.98%	3	43
9	Albilad	6.67%	1	15
	Fruit of the Loom	6.67%	1	15
	USI	6.67%	1	15
12	Bang & Olufsen	5.88%	1	17
13	ATS	5.41%	2	37
14	Eifelland Caravans	5.00%	2	40
14	Saudia	5.00%	1	20
16	Copersucar	4.84%	3	62
17	Polar	4.76%	1	21
18	Embassy	4.71%	4	85
19	Penthouse	4.55%	1	22
19	Rizla	4.55%	1	22
21	Pagnossin	4.17%	1	24
22	Lockheed	3.85%	3	78
22	Matchbox	3.85%	1	26
24	BS Fabrications	3.70%	1	27
25	Girling	3.57%	1	28
26	Beta	3.53%	3	85
27	Duckhams	3.47%	5	144
28	Visit Argentina	3.12%	1	32
29	Durex	2.94%	1	34
30	Politoys	2.78%	1	36
31	STP	2.60%	4	154
32	Esso	2.13%	2	94
33	Castrol	2.04%	1	49
34	First National City	2.02%	2	99
35	Champion	2.00%	13	650
35	Arexons	2.00%	1	50
37	John Player Special	1.97%	4	203
38	Magneti Marelli	1.92%	2	104
39	Personal	1.89%	2	106
40	Shell	1.88%	6	319
41	Chesterfield	1.79%	1	56
42	Fina	1.74%	6	345
43	Schmitthelm	1.67%	1	60
43	SKF	1.67%	1	60
45	Argentine Meat	1.61%	1	62
	Bardahl	1.61%	1	62
	YPF	1.61%	1	62
48	Brooke Bond Oxo	1.54%	1	65
49	Goodyear	1.52%	20	1315
50	Yardley	1.34%	2	149
51	Motul	1.32%	1	76
52	Valvoline	1.31%	2	153
53	Marlboro	1.30%	5	386
54	Heuer	1.26%	4	317
55	Fiat	1.25%	1	80
56	GKN	1.23%	1	81
57	BP	1.00%	1	100
58	Gold Leaf	0.94%	1	106
59	Firestone	0.94%	3	319
60	UOP	0.83%	1	120
61	Elf	0.81%	3	371
62	Ford	0.76%	2	263
63	Agip	0.63%	1	159
64	Martini	0.60%	1	167
65	Ferodo	0.56%	1	180

Finishing position: