| 37 | CP Metson | 1995 |
| 33 | CP Metson | 1993 |
| 32 | CP Metson | 1988 |
| 30 | CP Metson | 1994 |
| 28 | EW Jones | 1975 |
| 28 | CP Metson | 1992 |
| 27 | EW Jones | 1977 |
| 27 | T Davies | 1985 |
| 27 | CP Metson | 1987 |
| 27 | MA Wallace | 2002 |
| 26 | MA Wallace | 2003 |
| 24 | EW Jones | 1969 |
| 24 | EW Jones | 1973 |
| 24 | MA Wallace | 2005 |
| 23 | T Davies | 1984 |
| 22 | EW Jones | 1976 |
| 21 | EW Jones | 1978 |
| 21 | EW Jones | 1980 |
| 21 | EW Jones | 1981 |
| 21 | MA Wallace | 2004 |
| 20 | T Davies | 1986 |
| 20 | MA Wallace | 2006 |