13th Place Finish Ratio

until 1977 Italian 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 Industry	13th Place Finish Ratio	13th Place Finishes	Entries
1	Coatings	25.00%	1	4
	Motor racing	25.00%	1	4
	Vehicle hire	25.00%	1	4
4	Refrigeration	9.09%	1	11
5	Safety systems	8.33%	3	36
6	Car care	7.14%	1	14
7	Clothing	6.25%	1	16
8	Electronics	5.88%	1	17
9	Sugar	5.63%	4	71
10	Caravan manufacture	4.92%	3	61
11	Airline	4.17%	4	96
11	Ceramics	4.17%	1	24
13	Car parts	3.92%	2	51
14	Publishing	3.85%	1	26
15	Toys	3.23%	2	62
16	Contraception	2.94%	1	34
17	Tools	2.86%	3	105
18	Tourism	2.78%	1	36
19	Finance	2.56%	3	117
20	Watches	1.91%	8	418
21	Steering wheel	1.79%	2	112
22	Spark plugs	1.78%	16	901
23	Motor industry	1.71%	4	234
24	Drinks	1.54%	1	65
25	Tobacco	1.50%	18	1204
26	Cleaning	1.49%	1	67
27	Oil	1.40%	37	2639
28	Toiletries	1.34%	2	149
29	Tyres	1.33%	26	1960
30	Nuts and bolts	1.23%	1	81
31	Food	0.94%	1	106
32	Brakes	0.82%	2	244
33	Car manufacture	0.80%	4	499
34	Alcohol	0.76%	2	264
35	Dampers	0.53%	1	189

Finishing position: