15th Place Finish Ratio

until 1984 Brazilian GP

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

Finishing position:

Pos	Team	15th Place Finish Ratio	15th Place Finishes	Entries
1	André Guelfi	100.00%	1	1
2	Gordon Jones	50.00%	1	2
	Heck	50.00%	1	2
	Ridgeway Management	50.00%	1	2
5	Ecurie Excelsior	33.33%	1	3
	Ken McAlpine	33.33%	1	3
	Scuderia SSS Republica di Venezia	33.33%	1	3
8	Equipe Anglaise	25.00%	1	4
	Louis Chiron	25.00%	1	4
	Tony Gaze	25.00%	1	4
11	Scuderia Eugenio Castellotti	20.00%	1	5
11	Tony Marsh	20.00%	1	5
13	Ottorino Volonterio	14.29%	1	7
14	ATS (Ita)	10.00%	1	10
15	LEC	9.09%	1	11
16	The Border Reivers	7.14%	1	14
17	Ecurie Richmond	6.67%	1	15
18	Emeryson	4.76%	1	21
19	HWM	4.35%	2	46
20	Hill	4.29%	3	70
21	Matra	4.11%	3	73
22	Ecurie Maarsbergen	2.86%	1	35
23	Gilby Engineering	2.70%	1	37
24	Gould's Garage	2.50%	1	40
25	Arrows	2.22%	4	180
26	Ensign	2.00%	3	150
27	Hesketh	1.94%	2	103
28	Surtees	1.59%	4	251
29	RAM	1.54%	1	65
30	Shadow	1.27%	3	236
31	Fittipaldi	1.26%	2	159
32	Toleman	1.19%	1	84
33	Alfa Romeo	1.13%	2	177
34	Scuderia Centro Sud	0.98%	1	102
35	BRM	0.97%	5	514
36	Williams	0.91%	3	330
37	McLaren	0.78%	4	510
38	Lotus	0.71%	5	702
39	ATS	0.69%	1	144
40	March	0.66%	2	305
41	Ferrari	0.55%	5	909
42	Ligier	0.47%	1	213
43	Brabham	0.34%	2	590
44	Tyrrell	0.21%	1	469

Finishing position: