13th Place Finish Ratio

Finishing position:

Pos	Entrant	13th Place Finish Ratio	13th Place Finishes	Entries
1	Gino Munaron	100.00%	1	1
	Joe Lubin	100.00%	1	1
	Jo Siffert Automobiles	100.00%	1	1
4	Arthur Legat	50.00%	1	2
	Leslie Marr	50.00%	1	2
	Louise Bryden-Brown	50.00%	1	2
7	Sam Tingle	33.33%	1	3
8	J.B. Naylor	25.00%	2	8
9	Revson Racing	20.00%	1	5
10	Scuderia Serenissima	14.29%	1	7
10	Tim Parnell	14.29%	1	7
12	Ecurie Richmond	11.11%	1	9
13	Ecurie Belge	9.52%	2	21
14	Porsche System Engineering	9.09%	3	33
14	Honda R&D Co	9.09%	2	22
16	Ecurie Espadon	6.67%	1	15
17	Siffert Racing Team	5.88%	1	17
18	Equipe Matra Elf	3.85%	1	26
19	Connaught Engineering	3.23%	1	31
20	Ecurie Maarsbergen	2.86%	1	35
21	STP March Racing Team	2.78%	1	36
22	British Racing Partnership	2.56%	1	39
23	HW Motors	2.33%	1	43
24	Reg Parnell Racing	2.17%	2	92
25	R.R.C. Walker Racing Team	1.83%	2	109
26	Motor Racing Developments	1.75%	1	57
27	Owen Racing Organisation	1.51%	4	265
28	Brabham Racing Organisation	1.46%	2	137
29	Team Lotus	1.44%	3	209
30	Yardley Team BRM	1.39%	1	72
31	Scuderia Centro Sud	1.02%	1	98
32	Gold Leaf Team Lotus	0.97%	1	103
33	Scuderia Ferrari SpA SEFAC	0.90%	2	223
34	Bruce McLaren Motor Racing	0.88%	1	113
35	Cooper Car Co	0.85%	2	236

Finishing position: