| From 1981 | |
|---|---|
| Australia | 6 |
| Austria | 2 |
| Belgium | 1 |
| Brazil | 3 |
| Canada | 1 |
| China | 1 |
| France | 8 |
| Germany | 1 |
| Italy | 9 |
| Mexico | 1 |
| New Zealand | 1 |
| Norway | 20 |
| Puerto Rico | 1 |
| Russian Federation | 7 |
| Spain | 1 |
| Sweden | 1 |
| Switzerland | 20 |
| Ukraine | 2 |
| United Kingdom | 4 |
| United States | 36 |
| Venezuela | 2 |
| Total 128 | |
Data based on BFL