| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 69 | 111 | 132 |
| 1939 | 1 | 1 | 1 |
| 1965 | 1 | 1 | 1 |
| 1966 | 1 | 1 | 1 |
| 1967 | 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 |
| 1994 | 1 | 2 | 2 |
| 1996-97 | 1 | 1 | 1 |
| 1997-98 | 2 | 2 | 2 |
| 2002-03 | 1 | 1 | 2 |
| 2004-05 | 1 | 1 | 1 |
| 2006 | 2 | 4 | 4 |
| 2007-08 | 1 | 1 | 1 |
| 2008-09 | 1 | 1 | 1 |
| 2010 | 1 | 1 | 1 |
| 2011 | 1 | 1 | 1 |
| 2012-13 | 1 | 1 | 1 |
| 2014 | 1 | 9 | 9 |
| 2016 | 1 | 1 | 1 |
| 2016-17 | 1 | 1 | 1 |
| 2018 | 2 | 4 | 14 |
| 2018-19 | 2 | 2 | 2 |
| 2019-20 | 2 | 2 | 2 |
| 2020-21 | 5 | 6 | 8 |
| 2021 | 2 | 2 | 3 |
| 2021-22 | 14 | 33 | 37 |
| 2022 | 1 | 2 | 2 |
| 2022-23 | 7 | 10 | 11 |
| 2023 | 1 | 1 | 1 |
| 2023-24 | 8 | 13 | 15 |