Retirement Ratio

1967 Van Riebeeck Trophy
1967 Italian GP
1968 Canadian GP

until 1967 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
	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	Bill Aston	75.00%	3	4
13	Arialdo Ruggieri	68.75%	11	16
14	Fred Wilkinson	66.67%	4	6
15	Mike Oliver	65.38%	34	52
15	Rodney Clarke	65.38%	34	52
17	Maurice Philippe	65.00%	13	20
18	Amédée Gordini	63.08%	82	130
19	Ernst Loof	61.11%	11	18
20	Geoffrey Taylor	60.00%	3	5
21	Eric Broadley	57.58%	19	33
22	Alberto Massimino	55.70%	44	79
23	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
26	Ted Cutting	54.55%	6	11
27	Derrick White	54.17%	39	72
28	Shoichi Sano	53.57%	15	28
28	Yoshio Nakamura	53.57%	15	28
30	Peter Berthon	53.23%	33	62
31	Alf Francis	52.08%	25	48
31	John Heath	52.08%	25	48
33	H J Adlington	50.00%	2	4
33	Bernard Boyer	50.00%	1	2
35	Vittorio Bellentani	49.52%	154	311
36	Antonio Lago	49.38%	40	81
36	Carlo Marchetti	49.38%	40	81
38	Len Terry	49.35%	38	77
39	Gioacchino Colombo	46.88%	158	337
40	Colin Chapman	43.12%	185	429
41	Doug Serrurier	42.86%	3	7
42	Ernesto Maserati	42.11%	8	19
42	Tony Robinson	42.11%	8	19
44	Eddie Strait	41.86%	18	43
45	Vittorio Jano	39.60%	80	202
46	Ron Tauranac	39.18%	76	194
47	Owen Maddock	38.64%	148	383
48	Tony Rudd	38.07%	75	197
49	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
52	Mauro Forghieri	34.78%	32	92
53	Carlo Chiti	33.56%	49	146
54	Robin Herd	33.33%	3	9
55	Aurelio Lampredi	32.16%	64	199
56	Bindo Maserati	27.27%	3	11
56	Ettore Maserati	27.27%	3	11
58	Helmut Bott	20.93%	9	43
59	Valerio Colotti	20.00%	1	5
60	Wilhelm Hild	17.74%	11	62
61	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