Retirement Ratio

Finishing position:

Pos	Car Manufacturer	Retirement Ratio	Retirements	Entries
1	Ferguson	200.00%	2	1
2	Balsa	100.00%	1	1
	Bugatti	100.00%	1	1
	Derrington-Francis	100.00%	1	1
	EMW	100.00%	1	1
	Greifzu	100.00%	1	1
	Klenk	100.00%	1	1
	Kurtis Kraft	100.00%	1	1
	Milano	100.00%	1	1
	Nacke	100.00%	1	1
	Politoys	100.00%	1	1
	Shannon	100.00%	1	1
	Tec-Mec	100.00%	1	1
14	ATS (Ita)	80.00%	8	10
14	Lancia	80.00%	8	10
16	Aston	75.00%	3	4
17	De Tomaso	72.22%	13	18
18	Simca-Gordini	68.97%	20	29
19	Eagle	68.57%	24	35
20	ERA	66.67%	8	12
	Scirocco	66.67%	6	9
	Alta	66.67%	4	6
	JBW	66.67%	4	6
24	Connaught	65.38%	34	52
25	Vanwall	65.15%	43	66
26	Tecno	64.29%	9	14
27	Gordini	61.39%	62	101
28	Veritas	61.11%	11	18
29	Scarab	60.00%	6	10
29	Williams	60.00%	6	10
31	Hesketh	59.09%	13	22
32	Penske	57.14%	4	7
33	Honda	56.52%	26	46
34	AFM	55.56%	5	9
35	Shadow	54.55%	42	77
35	Aston Martin	54.55%	6	11
37	HWM	52.08%	25	48
38	Maserati	50.99%	206	404
39	Iso Marlboro	50.88%	29	57
40	LDS	50.00%	4	8
	Frazer-Nash	50.00%	2	4
	Hill	50.00%	2	4
	Token	50.00%	2	4
	Connew	50.00%	1	2
	De Klerk	50.00%	1	2
	Pearce	50.00%	1	2
47	Talbot-Lago	49.38%	40	81
48	BRM	47.97%	260	542
49	March	46.74%	122	261
50	Surtees	45.95%	68	148
51	Ensign	42.86%	9	21
	Emeryson	42.86%	3	7
	Parnelli	42.86%	3	7
54	Lotus	42.30%	291	688
55	Brabham	42.13%	198	470
56	BRP	42.11%	8	19
57	Cooper	41.48%	219	528
58	Fittipaldi	40.00%	2	5
59	Lola	39.71%	27	68
60	Eifelland	37.50%	3	8
60	Trojan	37.50%	3	8
62	Ferrari	36.11%	247	684
63	Mercedes	35.90%	14	39
64	Alfa Romeo	33.33%	16	48
	Bellasi	33.33%	2	6
	Gilby	33.33%	2	6
67	McLaren	32.95%	85	258
68	Tyrrell	31.75%	40	126
69	Matra	30.77%	36	117
70	OSCA	27.27%	3	11
71	Amon	25.00%	1	4
72	Porsche	20.00%	15	75

Finishing position: