Retirement Ratio

1970 Canadian GP
1970 Rand Spring Trophy
1971 Rhodesian GP

until 1970 Rhodesian 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	Frank Costin	84.62%	11	13
12	Gianpaolo Dallara	77.78%	7	9
13	Bill Aston	75.00%	3	4
	John Surtees	75.00%	3	4
	Peter Connew	75.00%	3	4
	Shahab Ahmed	75.00%	3	4
17	Arialdo Ruggieri	68.75%	11	16
18	Fred Wilkinson	66.67%	4	6
19	Mike Oliver	65.38%	34	52
19	Rodney Clarke	65.38%	34	52
21	Am�d�e Gordini	63.08%	82	130
22	Tony Southgate	62.96%	17	27
23	Ernst Loof	61.11%	11	18
24	Geoffrey Taylor	60.00%	3	5
25	Len Terry	58.50%	86	147
26	Shoichi Sano	56.52%	26	46
26	Yoshio Nakamura	56.52%	26	46
28	Eric Broadley	55.88%	19	34
29	Alberto Massimino	55.70%	44	79
30	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
33	Ted Cutting	54.55%	6	11
34	Derrick White	53.70%	58	108
35	Peter Berthon	53.23%	33	62
36	Alf Francis	52.08%	25	48
36	John Heath	52.08%	25	48
38	Doug Serrurier	50.00%	4	8
38	H J Adlington	50.00%	2	4
40	Vittorio Bellentani	49.52%	154	311
41	Antonio Lago	49.38%	40	81
41	Carlo Marchetti	49.38%	40	81
43	Peter Wright	48.08%	25	52
44	Maurice Philippe	47.06%	72	153
45	Gioacchino Colombo	46.88%	158	337
46	Robin Herd	44.03%	59	134
47	Colin Chapman	43.52%	245	563
48	Jo Marquart	43.48%	10	23
49	Eddie Strait	43.18%	19	44
50	Ron Tauranac	42.47%	127	299
51	Ernesto Maserati	42.11%	8	19
51	Tony Robinson	42.11%	8	19
53	Ralph Bellamy	40.91%	9	22
54	Mauro Forghieri	40.67%	61	150
55	Tony Rudd	40.10%	83	207
56	Vittorio Jano	39.60%	80	202
57	Gordon Coppuck	39.29%	33	84
58	Owen Maddock	38.64%	148	383
59	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
62	Carlo Chiti	33.56%	49	146
63	Aurelio Lampredi	32.16%	64	199
64	Gerard Ducarouge	32.00%	24	75
65	Bernard Boyer	31.71%	26	82
66	Bindo Maserati	27.27%	3	11
66	Ettore Maserati	27.27%	3	11
68	Helmut Bott	20.93%	9	43
69	Derek Gardner	20.00%	2	10
	Guglielmo Bellasi	20.00%	1	5
	Valerio Colotti	20.00%	1	5
72	Wilhelm Hild	17.74%	11	62
73	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