which country were most of the drivers from?
united kingdom
col : pos | no | driver | constructor | laps | time/retired | grid | points row 1 : 1 | 7 | jo bonnier | brm | 75 | 2:05:26.8 | 1 | 8 row 2 : 2 | 8 | jack brabham | cooper-climax | 75 | + 14.2 | 2 | 6 row 3 : 3 | 9 | masten gregory | cooper-climax | 75 | + 1:23.0 | 7 | 4 row 4 : 4 | 12 | innes ireland | lotus-climax | 74 | + 1 lap | 9 | 3 row 5 : 5 | 1 | jean behra | ferrari | 74 | + 1 lap | 4 | 2 row 6 : 6 | 3 | phil hill | ferrari | 73 | + 2 laps | 12 |  row 7 : 7 | 14 | graham hill | lotus-climax | 73 | + 2 laps | 5 |  row 8 : 8 | 10 | maurice trintignant | cooper-climax | 73 | + 2 laps | 11 |  row 9 : 9 | 16 | cliff allison | ferrari | 71 | + 4 laps | 15 |  row 10 : 10 | 15 | carel godin de beaufort | porsche | 68 | + 7 laps | 14 |  row 11 : ret | 11 | stirling moss | cooper-climax | 62 | gearbox | 3 | 1 row 12 : ret | 6 | harry schell | brm | 46 | gearbox | 6 |  row 13 : ret | 2 | tony brooks | ferrari | 42 | oil leak | 8 |  row 14 : ret | 5 | carroll shelby | aston martin | 25 | engine | 10 |  row 15 : ret | 4 | roy salvadori | aston martin | 3 | engine | 13 |
which country were most of the drivers from?
Pos No Driver Constructor Laps Time/Retired Grid Points
1 7 Jo Bonnier BRM 75 2:05:26.8 1 8
2 8 Jack Brabham Cooper-Climax 75 + 14.2 2 6
3 9 Masten Gregory Cooper-Climax 75 + 1:23.0 7 4
4 12 Innes Ireland Lotus-Climax 74 + 1 Lap 9 3
5 1 Jean Behra Ferrari 74 + 1 Lap 4 2
6 3 Phil Hill Ferrari 73 + 2 Laps 12
7 14 Graham Hill Lotus-Climax 73 + 2 Laps 5
8 10 Maurice Trintignant Cooper-Climax 73 + 2 Laps 11
9 16 Cliff Allison Ferrari 71 + 4 Laps 15
10 15 Carel Godin de Beaufort Porsche 68 + 7 Laps 14
Ret 11 Stirling Moss Cooper-Climax 62 Gearbox 3 1
Ret 6 Harry Schell BRM 46 Gearbox 6
Ret 2 Tony Brooks Ferrari 42 Oil Leak 8
Ret 5 Carroll Shelby Aston Martin 25 Engine 10
Ret 4 Roy Salvadori Aston Martin 3 Engine 13
United Kingdom