Retirement Ratio

1973 South African GP
1974 Brazilian GP

until 1973 Brazilian GP

Ignore Indy 500 races
Include non-championship races

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts

Pos	Car Manufacturer	Retirement Ratio	Retirements	Entries
1	Adams	200.00%	2	1
1	Ferguson	200.00%	2	1
3	Nichels	150.00%	3	2
4	Pawl	133.33%	4	3
5	Bromme	125.00%	5	4
6	Schroeder	100.00%	6	6
	Christensen	100.00%	2	2
	Balsa	100.00%	1	1
	Bugatti	100.00%	1	1
	Del Roy	100.00%	1	1
	Derrington-Francis	100.00%	1	1
	Elder	100.00%	1	1
	EMW	100.00%	1	1
	Greifzu	100.00%	1	1
	Hall	100.00%	1	1
	Klenk	100.00%	1	1
	Milano	100.00%	1	1
	Nacke	100.00%	1	1
	Politoys	100.00%	1	1
	Shannon	100.00%	1	1
	Snowberger	100.00%	1	1
	Sutton	100.00%	1	1
	Tec-Mec	100.00%	1	1
	Turner	100.00%	1	1
25	ATS (Ita)	80.00%	8	10
25	Lancia	80.00%	8	10
27	Aston	75.00%	3	4
28	De Tomaso	72.22%	13	18
29	Simca-Gordini	68.97%	20	29
30	Eagle	68.57%	24	35
31	ERA	66.67%	8	12
	Scirocco	66.67%	6	9
	Tecno	66.67%	6	9
	Alta	66.67%	4	6
	JBW	66.67%	4	6
	Dunn	66.67%	2	3
	Ewing	66.67%	2	3
38	Connaught	65.38%	34	52
39	Vanwall	65.15%	43	66
40	Deidt	62.50%	5	8
41	Gordini	61.39%	62	101
42	Veritas	61.11%	11	18
43	Scarab	60.00%	6	10
44	Honda	56.52%	26	46
45	Lola	55.88%	19	34
46	Kurtis Kraft	55.67%	108	194
47	AFM	55.56%	5	9
48	Watson	54.55%	12	22
48	Aston Martin	54.55%	6	11
50	HWM	52.08%	25	48
51	Maserati	51.35%	209	407
52	LDS	50.00%	4	8
	Frazer-Nash	50.00%	2	4
	Iso Marlboro	50.00%	2	4
	Connew	50.00%	1	2
	De Klerk	50.00%	1	2
	Marchese	50.00%	1	2
	Pankratz	50.00%	1	2
	Pearce	50.00%	1	2
60	Talbot-Lago	49.38%	40	81
61	BRM	47.16%	216	458
62	Surtees	45.45%	35	77
63	March	45.05%	82	182
64	Brabham	43.75%	161	368
65	Lotus	42.93%	264	615
66	Emeryson	42.86%	3	7
67	BRP	42.11%	8	19
68	Cooper	41.48%	219	528
69	Kuzma	40.54%	15	37
70	Lesovsky	40.00%	6	15
71	McLaren	38.24%	65	170
72	Eifelland	37.50%	3	8
73	Tyrrell	36.36%	20	55
74	Ferrari	36.35%	229	630
75	Mercedes	35.90%	14	39
76	Alfa Romeo	33.33%	16	48
	Stevens	33.33%	3	9
	Bellasi	33.33%	2	6
	Gilby	33.33%	2	6
	Trevis	33.33%	2	6
81	Matra	30.77%	36	117
82	Epperly	29.41%	5	17
83	Phillips	28.57%	2	7
84	OSCA	27.27%	3	11
85	Porsche	20.00%	15	75

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts