| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 148 | 367 | 1,200 |
| 1925 | 3 | 18 | 18 |
| 1927 | 1 | 15 | 15 |
| 1954 | 1 | 1 | 1 |
| 1956 | 1 | 1 | 1 |
| 1965-66 | 1 | 1 | 1 |
| 1968 | 1 | 1 | 4 |
| 1969 | 1 | 1 | 3 |
| 1970 | 6 | 7 | 10 |
| 1971 | 2 | 2 | 3 |
| 1972 | 2 | 2 | 4 |
| 1974 | 1 | 1 | 2 |
| 1974-75 | 1 | 1 | 1 |
| 1975-76 | 1 | 1 | 1 |
| 1978 | 1 | 1 | 1 |
| 1979-80 | 1 | 1 | 2 |
| 1980-81 | 1 | 4 | 4 |
| 1981 | 1 | 11 | 109 |
| 1982 | 1 | 6 | 26 |
| 1984-85 | 1 | 1 | 1 |
| 1985 | 3 | 5 | 5 |
| 1987 | 1 | 1 | 3 |
| 1990 | 4 | 18 | 26 |
| 1991 | 2 | 7 | 16 |
| 1992 | 2 | 6 | 14 |
| 1994 | 4 | 5 | 19 |
| 1995-96 | 1 | 1 | 2 |
| 1996 | 6 | 6 | 14 |
| 1997 | 3 | 3 | 4 |
| 1998 | 1 | 1 | 2 |
| 2000 | 2 | 2 | 2 |
| 2000-01 | 1 | 1 | 3 |
| 2001 | 7 | 80 | 658 |
| 2002 | 5 | 15 | 27 |
| 2003 | 6 | 19 | 23 |
| 2003-04 | 1 | 1 | 1 |
| 2004 | 2 | 4 | 4 |
| 2005 | 2 | 2 | 2 |
| 2006 | 1 | 1 | 1 |
| 2007 | 2 | 2 | 2 |
| 2008-09 | 1 | 1 | 1 |
| 2009 | 3 | 6 | 13 |
| 2009-10 | 1 | 1 | 1 |
| 2010 | 4 | 4 | 11 |
| 2011 | 1 | 3 | 3 |
| 2012 | 4 | 5 | 5 |
| 2012-13 | 1 | 1 | 1 |
| 2013 | 1 | 1 | 2 |
| 2014 | 3 | 4 | 5 |
| 2015 | 1 | 1 | 1 |
| 2017 | 2 | 2 | 2 |
| 2017-18 | 1 | 1 | 1 |
| 2018-19 | 1 | 1 | 1 |
| 2019 | 1 | 1 | 1 |
| 2020-21 | 2 | 2 | 2 |
| 2021 | 6 | 17 | 33 |
| 2021-22 | 4 | 4 | 11 |
| 2022 | 3 | 6 | 6 |
| 2022-23 | 2 | 2 | 2 |
| 2023 | 5 | 6 | 7 |
| 2023-24 | 5 | 6 | 7 |
| 2024 | 9 | 33 | 46 |
| 2024-25 | 1 | 1 | 1 |
| 2025-26 | 1 | 1 | 1 |
| 2026 | 1 | 1 | 1 |