| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 30 | 38 | 46 |
| 1965 | 1 | 1 | 1 |
| 1966 | 1 | 1 | 1 |
| 1978 | 1 | 1 | 1 |
| 1984-85 | 1 | 1 | 1 |
| 1987-88 | 1 | 1 | 1 |
| 1988 | 1 | 1 | 1 |
| 1989-90 | 1 | 1 | 1 |
| 1996-97 | 1 | 1 | 1 |
| 1997-98 | 2 | 2 | 2 |
| 2004-05 | 1 | 1 | 1 |
| 2006 | 1 | 1 | 1 |
| 2007-08 | 1 | 1 | 1 |
| 2014 | 1 | 2 | 2 |
| 2018 | 1 | 2 | 9 |
| 2019-20 | 1 | 1 | 1 |
| 2020-21 | 3 | 4 | 5 |
| 2021-22 | 4 | 7 | 7 |
| 2022 | 1 | 1 | 1 |
| 2022-23 | 4 | 6 | 6 |
| 2023 | 1 | 1 | 1 |
| 2023-24 | 1 | 1 | 1 |