Retirement Ratio

1968 Rand Spring Trophy
1968 United States GP
1969 Canadian GP

until 1968 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	Amédée Gordini	63.08%	82	130
18	Ernst Loof	61.11%	11	18
19	Geoffrey Taylor	60.00%	3	5
20	Shoichi Sano	58.14%	25	43
20	Yoshio Nakamura	58.14%	25	43
22	Maurice Philippe	57.63%	34	59
23	Eric Broadley	55.88%	19	34
24	Alberto Massimino	55.70%	44	79
25	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
28	Ted Cutting	54.55%	6	11
29	Derrick White	53.40%	55	103
30	Peter Berthon	53.23%	33	62
31	Len Terry	52.63%	60	114
32	Alf Francis	52.08%	25	48
32	John Heath	52.08%	25	48
34	Doug Serrurier	50.00%	4	8
34	H J Adlington	50.00%	2	4
36	Vittorio Bellentani	49.52%	154	311
37	Antonio Lago	49.38%	40	81
37	Carlo Marchetti	49.38%	40	81
39	Gioacchino Colombo	46.88%	158	337
40	Colin Chapman	44.14%	207	469
41	Eddie Strait	43.18%	19	44
42	Ron Tauranac	42.49%	99	233
43	Robin Herd	42.11%	16	38
	Ernesto Maserati	42.11%	8	19
	Tony Robinson	42.11%	8	19
46	Tony Rudd	40.10%	83	207
47	Gerard Ducarouge	40.00%	8	20
48	Vittorio Jano	39.60%	80	202
49	Owen Maddock	38.64%	148	383
50	Bernard Boyer	37.04%	10	27
51	Gordon Coppuck	36.84%	7	19
52	Mauro Forghieri	36.21%	42	116
53	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
56	Carlo Chiti	33.56%	49	146
57	Aurelio Lampredi	32.16%	64	199
58	Bindo Maserati	27.27%	3	11
58	Ettore Maserati	27.27%	3	11
60	Helmut Bott	20.93%	9	43
61	Valerio Colotti	20.00%	1	5
62	Wilhelm Hild	17.74%	11	62
63	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