Retirement Ratio

1975 Natal Spring Trophy
1976 Race of Champions
1982 Swiss GP

until 1975 Swiss 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	Designer	Retirement Ratio	Retirements	Entries
1	Claude Hill	200.00%	2	1
2	David Hodkin	100.00%	3	3
	Bernd Nacke	100.00%	1	1
	Frank Kurtis	100.00%	1	1
	Hans Klenk	100.00%	1	1
	Hugh Aiden-Jones	100.00%	1	1
	Jack Brabham	100.00%	1	1
	Marcel Balsa	100.00%	1	1
	Paul Greifzu	100.00%	1	1
	Walter Gerstenberg	100.00%	1	1
11	Gianpaolo Dallara	81.82%	9	11
12	Bill Aston	75.00%	3	4
13	Arialdo Ruggieri	68.75%	11	16
14	Gianfranco Pederzani	66.67%	6	9
	Luciano Pederzani	66.67%	6	9
	Fred Wilkinson	66.67%	4	6
	Alan Phillips	66.67%	2	3
18	Mike Oliver	65.38%	34	52
18	Rodney Clarke	65.38%	34	52
20	Am�d�e Gordini	63.08%	82	130
21	Ray Stokoe	62.50%	5	8
22	Ernst Loof	61.11%	11	18
23	Geoffrey Taylor	60.00%	3	5
24	Frank Costin	58.97%	46	78
25	Len Terry	58.50%	86	147
26	Len Bailey	57.14%	4	7
27	Shoichi Sano	56.52%	26	46
27	Yoshio Nakamura	56.52%	26	46
29	Eric Broadley	55.88%	19	34
30	Alberto Massimino	55.70%	44	79
31	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
34	Dave Wass	54.95%	50	91
35	John Clarke	54.55%	36	66
35	Ted Cutting	54.55%	6	11
37	Derrick White	53.70%	58	108
38	Peter Berthon	53.23%	33	62
39	Alf Francis	52.08%	25	48
39	John Heath	52.08%	25	48
41	Harvey Postlethwaite	51.43%	18	35
42	Doug Serrurier	50.00%	4	8
	H J Adlington	50.00%	2	4
	Ray Jessop	50.00%	2	4
	Alan McCall	50.00%	1	2
	Peter Wyss	50.00%	1	2
47	Vittorio Bellentani	49.52%	154	311
48	Antonio Lago	49.38%	40	81
48	Carlo Marchetti	49.38%	40	81
50	Tony Southgate	49.28%	137	278
51	Peter Wright	48.53%	33	68
52	Mike Pilbeam	48.18%	53	110
53	Gioacchino Colombo	46.88%	158	337
54	Robin Herd	46.61%	172	369
55	Maurice Philippe	45.06%	105	233
56	John Surtees	44.52%	69	155
57	Jo Marquart	44.44%	16	36
58	Geoff Ferris	44.09%	56	127
59	Ron Tauranac	43.79%	155	354
60	Morris Nunn	43.48%	10	23
61	Colin Chapman	43.44%	311	716
62	Eddie Strait	43.18%	19	44
63	Gordon Fowell	42.86%	3	7
64	Ernesto Maserati	42.11%	8	19
64	Tony Robinson	42.11%	8	19
66	Peter Connew	40.54%	30	74
67	Shahab Ahmed	40.28%	29	72
68	Tony Rudd	40.10%	83	207
69	Vittorio Jano	39.60%	80	202
70	Owen Maddock	38.64%	148	383
71	Ralph Bellamy	38.46%	75	195
72	Luigi Colani	37.50%	3	8
73	Mauro Forghieri	36.90%	107	290
74	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
77	Gordon Murray	34.86%	38	109
78	Carlo Chiti	33.56%	49	146
79	Gordon Coppuck	33.50%	68	203
80	Richard Divila	33.33%	4	12
	Dave Baldwin	33.33%	2	6
	Guglielmo Bellasi	33.33%	2	6
83	Aurelio Lampredi	32.16%	64	199
84	Gerard Ducarouge	30.91%	34	110
85	Bernard Boyer	30.77%	36	117
86	Derek Gardner	28.48%	43	151
87	Bindo Maserati	27.27%	3	11
87	Ettore Maserati	27.27%	3	11
89	Andy Smallman	26.92%	14	52
90	Tom Boyce	25.00%	1	4
91	Helmut Bott	20.93%	9	43
92	Valerio Colotti	20.00%	1	5
93	Wilhelm Hild	17.74%	11	62
94	Hans Mezger	16.67%	5	30

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