| Nation | Total |
|---|---|
| England | 149 |
| France | 148 |
| Ireland | 127 |
| South Africa | 57 |
| Wales | 41 |
| Scotland | 39 |
| New Zealand | 37 |
| Italy | 33 |
| Australia | 27 |
| Samoa | 18 |
| Fiji | 15 |
| Argentina | 12 |
| Tonga | 9 |
| Georgia | 9 |
| United States | 5 |
| Romania | 2 |
| Canada | 2 |
| Portugal | 2 |
| Spain | 2 |
| Uruguay | 1 |
| Moldova | 1 |
| Russia | 1 |
| Germany | 1 |
