| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 150 | 309 | 490 |
| 1928-29 | 1 | 2 | 2 |
| 1939 | 1 | 1 | 1 |
| 1960-62 | 1 | 1 | 1 |
| 1962 | 1 | 1 | 1 |
| 1964 | 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 | 3 |
| 1996-97 | 1 | 1 | 1 |
| 1997-98 | 3 | 3 | 3 |
| 1999 | 1 | 1 | 1 |
| 2002 | 2 | 2 | 2 |
| 2002-03 | 2 | 2 | 4 |
| 2003 | 1 | 1 | 2 |
| 2004 | 3 | 3 | 6 |
| 2004-05 | 1 | 1 | 1 |
| 2005-06 | 1 | 1 | 4 |
| 2006 | 4 | 6 | 6 |
| 2007-08 | 1 | 1 | 1 |
| 2008-09 | 1 | 1 | 1 |
| 2010 | 2 | 2 | 3 |
| 2011 | 1 | 1 | 1 |
| 2012-13 | 1 | 1 | 1 |
| 2014 | 2 | 14 | 16 |
| 2015 | 1 | 1 | 1 |
| 2016 | 2 | 3 | 3 |
| 2016-17 | 1 | 2 | 2 |
| 2017 | 1 | 1 | 1 |
| 2018 | 4 | 8 | 18 |
| 2018-19 | 6 | 8 | 23 |
| 2019 | 3 | 4 | 5 |
| 2019-20 | 5 | 8 | 8 |
| 2020 | 1 | 1 | 1 |
| 2020-21 | 13 | 39 | 50 |
| 2021 | 3 | 5 | 8 |
| 2021-22 | 24 | 70 | 100 |
| 2022 | 5 | 23 | 42 |
| 2022-23 | 15 | 24 | 26 |
| 2023 | 3 | 4 | 5 |
| 2023-24 | 15 | 31 | 55 |
| 2024 | 2 | 12 | 41 |
| 2024-25 | 4 | 7 | 30 |
| 2025 | 1 | 1 | 1 |