| Nation | Total |
|---|---|
| England | 155 |
| France | 129 |
| Wales | 118 |
| Ireland | 87 |
| Scotland | 76 |
| Italy | 47 |
| New Zealand | 37 |
| South Africa | 31 |
| Argentina | 24 |
| Australia | 17 |
| Samoa | 17 |
| Fiji | 11 |
| Tonga | 7 |
| Romania | 4 |
| Canada | 4 |
| Spain | 2 |
| Georgia | 2 |
| Portugal | 1 |
| Japan | 1 |
| Cook Islands | 1 |
| Zimbabwe | 1 |
| United States | 1 |
| Cameroon | 1 |
| Other | 1 |
