| Nation | Total |
|---|---|
| England | 465 |
| South Africa | 60 |
| Wales | 42 |
| Scotland | 42 |
| New Zealand | 42 |
| Samoa | 29 |
| Ireland | 28 |
| Australia | 26 |
| Argentina | 15 |
| Italy | 14 |
| Fiji | 14 |
| France | 13 |
| Tonga | 10 |
| United States | 4 |
| Canada | 3 |
| Russia | 2 |
| Romania | 1 |
| * | 1 |
| Spain | 1 |
| Jersey | 1 |
| Georgia | 1 |
| Japan | 1 |
| Namibia | 1 |
| Zimbabwe | 1 |
