Retirement Ratio

1973 French GP
1973 Rand Winter Trophy
1974 Natal Winter Trophy

until 1973 Natal Winter Trophy

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
	Alta	66.67%	4	6
	JBW	66.67%	4	6
	Dunn	66.67%	2	3
	Ewing	66.67%	2	3
37	Connaught	65.38%	34	52
38	Vanwall	65.15%	43	66
39	Tecno	63.64%	7	11
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	Iso Marlboro	57.14%	8	14
44	Shadow	57.14%	8	14
46	Honda	56.52%	26	46
47	Lola	55.88%	19	34
48	Kurtis Kraft	55.67%	108	194
49	AFM	55.56%	5	9
50	Watson	54.55%	12	22
50	Aston Martin	54.55%	6	11
52	HWM	52.08%	25	48
53	Maserati	51.35%	209	407
54	LDS	50.00%	4	8
	Frazer-Nash	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
61	Talbot-Lago	49.38%	40	81
62	Surtees	47.73%	42	88
63	BRM	47.57%	225	473
64	March	46.15%	90	195
65	Brabham	44.09%	168	381
66	Emeryson	42.86%	3	7
67	Lotus	42.65%	267	626
68	BRP	42.11%	8	19
69	Cooper	41.48%	219	528
70	Kuzma	40.54%	15	37
71	Lesovsky	40.00%	6	15
72	Eifelland	37.50%	3	8
73	Ferrari	36.58%	233	637
74	McLaren	36.46%	66	181
75	Mercedes	35.90%	14	39
76	Tyrrell	34.85%	23	66
77	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
82	Matra	30.77%	36	117
83	Epperly	29.41%	5	17
84	Phillips	28.57%	2	7
85	OSCA	27.27%	3	11
86	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