| Country | Ascents | Between | |
|---|---|---|---|
| 1 | Germany 🇩🇪 | 12 | 1st January 1982 – 14th September 1991 |
| 2 | USA 🇺🇸 | 5 | 1st January 1982 – 1st January 1986 |
| 3 | Australia 🇦🇺 | 3 | 1st January 1985 – 9th April 1985 |
| 4 | United Kingdom 🇬🇧 | 3 | 1st January 1990 – 1st January 1990 |
| 5 | France 🇫🇷 | 2 | 1st January 1984 – 1st January 1984 |
| 6 | Pakistan 🇵🇰 | 1 | 1st January 1989 – 1st January 1989 |