Retirement Ratio

1977 South African GP
1978 Brazilian GP

until 1977 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
	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	64.29%	9	14
40	Deidt	62.50%	5	8
41	Williams	62.07%	18	29
42	Gordini	61.39%	62	101
43	Veritas	61.11%	11	18
44	Scarab	60.00%	6	10
45	Honda	56.52%	26	46
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	Iso Marlboro	50.88%	29	57
53	March	50.87%	176	346
54	Ligier	50.00%	9	18
	LDS	50.00%	4	8
	Boro	50.00%	3	6
	Frazer-Nash	50.00%	2	4
	Token	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
	Wolf	50.00%	1	2
65	Talbot-Lago	49.38%	40	81
66	Shadow	48.48%	64	132
67	BRM	48.18%	265	550
68	Parnelli	43.75%	7	16
69	Lotus	43.13%	320	742
70	Brabham	43.04%	232	539
71	Hill	42.86%	9	21
71	Emeryson	42.86%	3	7
73	Surtees	42.13%	83	197
74	BRP	42.11%	8	19
75	Cooper	41.48%	219	528
76	Penske	41.38%	12	29
77	Ensign	41.30%	19	46
78	Hesketh	41.27%	26	63
79	Kuzma	40.54%	15	37
80	Lesovsky	40.00%	6	15
81	Lola	39.71%	27	68
82	Eifelland	37.50%	3	8
82	Trojan	37.50%	3	8
84	Mercedes	35.90%	14	39
85	Ferrari	35.01%	258	737
86	McLaren	33.33%	104	312
	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
92	Wolf-Williams	32.00%	8	25
93	Fittipaldi	31.58%	12	38
94	Tyrrell	30.89%	59	191
95	Matra	30.77%	36	117
96	Epperly	29.41%	5	17
97	Phillips	28.57%	2	7
98	OSCA	27.27%	3	11
99	Amon	25.00%	1	4
100	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