13th Place Finish Ratio

until 1977 Canadian 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	Glasurit	12.50%	1	8
	Skol	12.50%	1	8
	Theodore Racing	12.50%	1	8
6	LEC	9.09%	1	11
7	HB Alarmsystemen	8.33%	3	36
7	Iberia Airlines	8.33%	1	12
9	BAF	7.69%	2	26
10	F&S Properties	6.90%	2	29
11	Copersucar	6.49%	5	77
12	Fruit of the Loom	6.25%	1	16
13	Bang & Olufsen	5.88%	1	17
13	Essex	5.88%	1	17
15	Hi-Line	5.56%	1	18
16	Eifelland Caravans	5.00%	2	40
17	Tissot	4.76%	4	84
17	Polar	4.76%	1	21
19	Embassy	4.71%	4	85
20	Pagnossin	4.17%	1	24
21	Duckhams	3.95%	6	152
22	Lockheed	3.85%	3	78
22	Matchbox	3.85%	1	26
24	BS Fabrications	3.70%	1	27
25	ATS	3.64%	2	55
26	Girling	3.57%	1	28
	Penthouse	3.57%	1	28
	Rizla	3.57%	1	28
29	Beta	3.30%	3	91
30	Albilad	3.12%	1	32
	USI	3.12%	1	32
	Visit Argentina	3.12%	1	32
33	Ambrosio	3.03%	1	33
34	Durex	2.78%	1	36
34	Politoys	2.78%	1	36
36	First National City	2.65%	3	113
37	STP	2.60%	4	154
38	Castrol	2.56%	2	78
39	Saudia	2.33%	1	43
40	Esso	2.13%	2	94
41	Champion	2.02%	17	842
42	SKF	1.98%	2	101
43	John Player Special	1.84%	4	217
44	Personal	1.75%	2	114
45	Shell	1.73%	6	346
46	Goodyear	1.62%	26	1606
47	Argentine Meat	1.61%	1	62
	Bardahl	1.61%	1	62
	YPF	1.61%	1	62
50	Fina	1.60%	6	374
51	Valvoline	1.56%	3	192
51	Chesterfield	1.56%	1	64
53	Brooke Bond Oxo	1.54%	1	65
53	Villiger	1.54%	1	65
55	Marlboro	1.36%	6	440
56	Yardley	1.34%	2	149
57	Motul	1.32%	1	76
58	Schmitthelm	1.30%	1	77
59	Magneti Marelli	1.29%	2	155
60	Arexons	1.27%	1	79
61	GKN	1.23%	1	81
62	Heuer	1.14%	4	350
63	NGK	1.11%	1	90
64	Tabatip	1.03%	1	97
65	Martini	1.02%	2	197
66	BP	1.00%	1	100
67	Elf	0.95%	4	422
68	Gold Leaf	0.94%	1	106
69	Firestone	0.94%	3	319
70	Fiat	0.90%	1	111
71	UOP	0.83%	1	120
72	Koni	0.78%	2	257
73	Ford	0.76%	2	264
74	Agip	0.52%	1	192
75	Ferodo	0.43%	1	232

Finishing position: