Retirement Ratio

1969 Rand Spring Trophy
1969 United States GP
1970 Canadian GP

until 1969 Canadian 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
	Jo Marquart	100.00%	1	1
	Marcel Balsa	100.00%	1	1
	Paul Greifzu	100.00%	1	1
	Walter Gerstenberg	100.00%	1	1
12	Frank Costin	84.62%	11	13
13	Bill Aston	75.00%	3	4
14	Arialdo Ruggieri	68.75%	11	16
15	Fred Wilkinson	66.67%	4	6
16	Mike Oliver	65.38%	34	52
16	Rodney Clarke	65.38%	34	52
18	Amédée Gordini	63.08%	82	130
19	Ernst Loof	61.11%	11	18
20	Geoffrey Taylor	60.00%	3	5
21	Len Terry	57.86%	81	140
22	Shoichi Sano	56.52%	26	46
22	Yoshio Nakamura	56.52%	26	46
24	Eric Broadley	55.88%	19	34
25	Alberto Massimino	55.70%	44	79
26	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
29	Ted Cutting	54.55%	6	11
30	Derrick White	53.70%	58	108
31	Peter Berthon	53.23%	33	62
32	Maurice Philippe	52.43%	54	103
33	Alf Francis	52.08%	25	48
33	John Heath	52.08%	25	48
35	Doug Serrurier	50.00%	4	8
35	H J Adlington	50.00%	2	4
37	Vittorio Bellentani	49.52%	154	311
38	Antonio Lago	49.38%	40	81
38	Carlo Marchetti	49.38%	40	81
40	Gioacchino Colombo	46.88%	158	337
41	Colin Chapman	44.25%	227	513
42	Ron Tauranac	44.24%	119	269
43	Eddie Strait	43.18%	19	44
44	Ernesto Maserati	42.11%	8	19
44	Tony Robinson	42.11%	8	19
46	Mauro Forghieri	41.09%	53	129
47	Tony Rudd	40.10%	83	207
48	Vittorio Jano	39.60%	80	202
49	Owen Maddock	38.64%	148	383
50	Robin Herd	38.24%	26	68
51	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
54	Carlo Chiti	33.56%	49	146
55	Gordon Coppuck	33.33%	16	48
56	Aurelio Lampredi	32.16%	64	199
57	Bernard Boyer	28.57%	16	56
57	Gerard Ducarouge	28.57%	14	49
59	Bindo Maserati	27.27%	3	11
59	Ettore Maserati	27.27%	3	11
61	Helmut Bott	20.93%	9	43
62	Valerio Colotti	20.00%	1	5
63	Wilhelm Hild	17.74%	11	62
64	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