| Country | Ascents | Between | |
|---|---|---|---|
| 1 | United Kingdom 🇬🇧 | 7 | 3rd July 1955 – 1st September 1971 |
| 2 | Chile 🇨🇱 | 1 | 1st January 1963 – 1st January 1963 |
| 3 | France 🇫🇷 | 1 | 29th August 1962 – 29th August 1962 |
| 4 | Nepal 🇳🇵 | 1 | 1st January 1960 – 1st January 1960 |
| 5 | Switzerland 🇨🇠| 1 | 1st January 1962 – 1st January 1962 |