| Extras | B | LB | W | NB | Pen |
| 49 | 1 | 13 | 21 | 14 | | by Bedfordshire | Sophia Gardens, Cardiff | 1997 | a10577 |
| 36 | 2 | 15 | 15 | 4 | | by Durham | Riverside Ground, Chester-le-Street | 1996 | a10024 |
| 35 | 4 | 8 | 15 | 8 | | by Worcestershire | Sophia Gardens, Cardiff | 2001 | a13551 |
| 35 | 12 | 10 | 5 | 8 | | by Surrey | Woodbridge Road, Guildford | 2014 | a23427 |
| 33 | 8 | 14 | 7 | 4 | | by Worcestershire | County Ground, New Road, Worcester | 1977 | a2001 |
| 33 | | 13 | 16 | 4 | | by Middlesex | Lord's Cricket Ground, St John's Wood | 2000 | a12761 |
| 31 | 3 | 18 | 8 | 2 | | by Essex | County Ground, Chelmsford | 1988 | a5745 |
| 30 | | 14 | 12 | 4 | | by Middlesex | Lord's Cricket Ground, St John's Wood | 1996 | a9835 |
| 30 | | 14 | 16 | | | by Sussex | County Ground, Hove | 1998 | a11155 |
| 30 | | 8 | 14 | 8 | | by Bedfordshire | Sophia Gardens, Cardiff | 1998 | a11253 |
| 30 | | 8 | 20 | 2 | | by Surrey | The AMP Oval, Kennington | 2002 | a14362 |