Retirement Ratio

1974 Belgian GP
1974 Republic Day Trophy
1975 Cape South Easter Trophy

until 1974 Cape South Easter 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
	Amon	100.00%	1	1
	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
26	ATS (Ita)	80.00%	8	10
26	Lancia	80.00%	8	10
28	Aston	75.00%	3	4
29	De Tomaso	72.22%	13	18
30	Simca-Gordini	68.97%	20	29
31	Eagle	68.57%	24	35
32	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
38	Connaught	65.38%	34	52
39	Vanwall	65.15%	43	66
40	Tecno	64.29%	9	14
41	Deidt	62.50%	5	8
41	Ensign	62.50%	5	8
43	Gordini	61.39%	62	101
44	Veritas	61.11%	11	18
45	Scarab	60.00%	6	10
46	Honda	56.52%	26	46
47	Kurtis Kraft	55.67%	108	194
48	AFM	55.56%	5	9
49	Watson	54.55%	12	22
49	Aston Martin	54.55%	6	11
51	Lola	53.66%	22	41
52	Shadow	53.33%	24	45
53	HWM	52.08%	25	48
54	Maserati	51.35%	209	407
55	LDS	50.00%	4	8
	Frazer-Nash	50.00%	2	4
	Connew	50.00%	1	2
	De Klerk	50.00%	1	2
	Hesketh	50.00%	1	2
	Marchese	50.00%	1	2
	Pankratz	50.00%	1	2
	Pearce	50.00%	1	2
63	Talbot-Lago	49.38%	40	81
64	Surtees	47.83%	55	115
65	Iso Marlboro	47.22%	17	36
66	BRM	46.76%	238	509
67	March	46.52%	107	230
68	Brabham	44.36%	185	417
69	Emeryson	42.86%	3	7
70	Lotus	42.73%	279	653
71	BRP	42.11%	8	19
72	Cooper	41.48%	219	528
73	Kuzma	40.54%	15	37
74	Lesovsky	40.00%	6	15
75	Eifelland	37.50%	3	8
76	Ferrari	36.14%	236	653
77	Mercedes	35.90%	14	39
78	McLaren	33.64%	72	214
79	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
84	Matra	30.77%	36	117
85	Tyrrell	30.11%	28	93
86	Epperly	29.41%	5	17
87	Phillips	28.57%	2	7
88	OSCA	27.27%	3	11
89	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