| Nation | Total |
|---|---|
| England | 208 |
| France | 150 |
| Italy | 119 |
| Wales | 62 |
| Romania | 37 |
| Portugal | 32 |
| South Africa | 28 |
| Argentina | 23 |
| New Zealand | 21 |
| Samoa | 21 |
| Australia | 17 |
| Tonga | 16 |
| Scotland | 13 |
| Fiji | 12 |
| Ireland | 10 |
| United States | 6 |
| Spain | 5 |
| Georgia | 4 |
| Canada | 3 |
| Russia | 2 |
| Namibia | 2 |
| Algeria | 2 |
| 2 | |
| Czech Republic | 1 |
| Norway | 1 |
| Netherlands | 1 |
| Reunion | 1 |
| Iceland | 1 |
| Moldova | 1 |
| Morocco | 1 |
| Poland | 1 |
| Germany | 1 |
