The following is a list of the total number of records in our database made by Du Plessis each year. All records from all countries are included.
Click on a column heading to sort the entries in that column
| Year | No of records |
|---|---|
| 1959 | 1 |
| 1971 | 1 |
| 1991 | 1 |
| 1998 | 5 |