The following is a list of the total number of records in our database made by Bill Mitchell 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 |
|---|---|
| Date not known | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 2 |
| 1965 | 2 |