| Rank | Nationality | Wins |
|---|---|---|
|
1
|
Italy
|
295
|
|
2
|
Spain
|
212
|
|
3
|
USA
|
154
|
|
4
|
UK
|
141
|
|
5
|
Australia
|
127
|
|
6
|
France
|
16
|
|
7
|
Rhodesia
|
12
|
|
=
|
Japan
|
12
|
|
9
|
Netherlands
|
8
|
|
10
|
Brazil
|
7
|
|
11
|
Portugal
|
5
|
|
12
|
Ireland
|
4
|
|
13
|
New Zealand
|
3
|
|
=
|
Finland
|
3
|
|
=
|
Venezuela
|
3
|
|
16
|
Argentina
|
2
|
|
=
|
South Africa
|
2
|
|
18
|
Germany
|
1
|
|
=
|
Switzerland
|
1
|
|
=
|
Czechia
|
1
|