| Country | Ascents | Between | |
|---|---|---|---|
| 1 | United Kingdom 🇬🇧 | 21 | 1st January 1951 – 1st January 1961 |
| 2 | Chile 🇨🇱 | 1 | 1st January 1963 – 1st January 1963 |
| 3 | France 🇫🇷 | 1 | 29th August 1961 – 29th August 1961 |
1 ascent could not be assigned to a country.