12th 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	12th Place Finish Ratio	12th Place Finishes	Entries
1	Sunoco	50.00%	1	2
2	Penthouse	22.73%	5	22
2	Rizla	22.73%	5	22
4	ABMTM	20.00%	1	5
	Apollon	20.00%	1	5
	Belle Vue	20.00%	1	5
7	Car Plan	12.50%	1	8
	MD4	12.50%	1	8
	Titbits	12.50%	1	8
	Ultramar	12.50%	1	8
11	BAF	10.00%	2	20
12	Visit Argentina	9.38%	3	32
13	Lavazza	9.09%	2	22
14	Auto Motor und Sport	8.33%	2	24
14	Pagnossin	8.33%	2	24
16	Eifelland Caravans	7.50%	3	40
17	Embassy	7.06%	6	85
18	Monaco Fine Arts Gallery	6.67%	1	15
19	Elan	6.45%	2	31
19	Stroh	6.45%	2	31
21	Viceroy	6.25%	1	16
22	Castrol	6.12%	3	49
23	HB Alarmsystemen	5.88%	2	34
24	Esso	5.32%	5	94
25	Fiat	5.00%	4	80
25	Saudia	5.00%	1	20
27	Gitanes	4.88%	2	41
28	Argentine Meat	4.84%	3	62
	Bardahl	4.84%	3	62
	YPF	4.84%	3	62
31	Imperial Tobacco	4.76%	1	21
32	STP	3.90%	6	154
33	UOP	3.33%	4	120
33	Michelin	3.33%	1	30
35	Valvoline	3.27%	5	153
36	Ambrozium	3.23%	1	31
37	First National City	3.03%	3	99
38	Durex	2.94%	1	34
39	Reynolds Aluminium	2.86%	1	35
40	Heuer	2.84%	9	317
41	ATS	2.70%	1	37
42	Motul	2.63%	2	76
43	Lockheed	2.56%	2	78
44	John Player Special	2.46%	5	203
45	Tabatip	2.41%	2	83
46	Texaco	2.38%	5	210
47	Tissot	2.33%	1	43
48	Fina	2.32%	8	345
49	Champion	2.31%	15	650
50	Gulf	2.27%	1	44
51	Shell	2.19%	7	319
52	Marlboro	2.07%	8	386
53	Yardley	2.01%	3	149
54	Goodyear	1.90%	25	1315
55	Martini	1.80%	3	167
56	Chesterfield	1.79%	1	56
57	Iso	1.75%	1	57
58	NGK	1.72%	1	58
59	Ferodo	1.67%	3	180
60	Copersucar	1.61%	1	62
61	Firestone	1.57%	5	319
62	Duckhams	1.39%	2	144
63	Elf	1.35%	5	371
64	Agip	1.26%	2	159
65	Beta	1.18%	1	85
66	BP	1.00%	1	100
67	Magneti Marelli	0.96%	1	104
68	Personal	0.94%	1	106
69	Ford	0.38%	1	263

Finishing position: