20th Place Finish Ratio

until 2012 Belgian GP

Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

Pos	Driver	20th Place Finish Ratio	20th Place Finishes	Races
1	Steve Ouvaroff	100.00%	1	1
2	Charles Pic	41.67%	5	12
3	Frank Curtis	33.33%	1	3
3	Manny Ayulo	33.33%	1	3
5	Spider Webb	25.00%	1	4
6	Jérôme d'Ambrosio	21.05%	4	19
7	Sakon Yamamoto	19.05%	4	21
8	Karun Chandhok	18.18%	2	11
9	Mike Taylor	16.67%	1	6
10	Geoff Crossley	11.11%	1	9
11	Guy Edwards	5.26%	2	38
11	Lucas di Grassi	5.26%	1	19
13	Eric Brandon	4.76%	1	21
14	Daniel Ricciardo	4.35%	1	23
15	Vitantonio Liuzzi	3.70%	3	81
16	Alan Brown	3.57%	1	28
17	David Hampshire	3.45%	1	29
18	Bruno Senna	2.63%	1	38
19	Narain Karthikeyan	2.50%	1	40
20	Karl Wendlinger	2.38%	1	42
21	Timo Glock	2.30%	2	87
22	Eugène Chaboud	2.04%	1	49
23	Pedro de la Rosa	2.02%	2	99
24	Christian Klien	1.96%	1	51
25	Henri Pescarolo	1.30%	1	77
26	Alan Jones	0.81%	1	124
27	Ayrton Senna	0.62%	1	162
28	Jack Brabham	0.46%	1	217
29	Jarno Trulli	0.39%	1	256

Finishing position: