| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 316 | 1,679 | 3,181 |
| 1908 | 1 | 1 | 1 |
| 1909 | 1 | 1 | 1 |
| 1910 | 1 | 1 | 1 |
| 1915 | 1 | 1 | 1 |
| 1923 | 1 | 1 | 32 |
| 1928 | 1 | 1 | 1 |
| 1935 | 1 | 1 | 1 |
| 1938 | 2 | 18 | 41 |
| 1947 | 1 | 1 | 1 |
| 1948 | 2 | 5 | 6 |
| 1951 | 1 | 7 | 9 |
| 1954-55 | 1 | 2 | 2 |
| 1955-56 | 1 | 1 | 3 |
| 1956 | 3 | 4 | 4 |
| 1962 | 1 | 1 | 1 |
| 1964 | 1 | 1 | 1 |
| 1978 | 1 | 1 | 1 |
| 1979 | 1 | 1 | 1 |
| 1980-81 | 1 | 1 | 1 |
| 1981-82 | 1 | 1 | 1 |
| 1982 | 3 | 41 | 82 |
| 1983 | 2 | 37 | 37 |
| 1984 | 1 | 1 | 1 |
| 1984-88 | 1 | 1 | 2 |
| 1985 | 5 | 145 | 529 |
| 1986 | 3 | 38 | 68 |
| 1987 | 4 | 48 | 198 |
| 1988 | 2 | 8 | 9 |
| 1988-89 | 1 | 1 | 1 |
| 1989 | 2 | 3 | 4 |
| 1989-90 | 1 | 1 | 1 |
| 1990 | 2 | 47 | 171 |
| 1990-91 | 1 | 1 | 1 |
| 1991 | 13 | 53 | 152 |
| 1992 | 3 | 3 | 3 |
| 1993 | 1 | 7 | 15 |
| 1994 | 3 | 6 | 6 |
| 1995 | 4 | 4 | 6 |
| 1997 | 3 | 3 | 3 |
| 1998 | 5 | 8 | 21 |
| 1999 | 5 | 6 | 10 |
| 2000 | 1 | 1 | 1 |
| 2001 | 4 | 10 | 10 |
| 2002 | 2 | 4 | 4 |
| 2003 | 3 | 4 | 4 |
| 2004 | 2 | 7 | 7 |
| 2006 | 3 | 10 | 11 |
| 2007 | 3 | 7 | 7 |
| 2008 | 5 | 17 | 21 |
| 2008-09 | 1 | 1 | 1 |
| 2009 | 8 | 19 | 21 |
| 2009-10 | 1 | 1 | 1 |
| 2010 | 8 | 27 | 34 |
| 2011 | 7 | 24 | 26 |
| 2012 | 7 | 70 | 100 |
| 2013 | 5 | 21 | 24 |
| 2013-14 | 1 | 1 | 1 |
| 2014 | 8 | 131 | 271 |
| 2014-15 | 1 | 1 | 1 |
| 2015 | 17 | 225 | 369 |
| 2016 | 10 | 130 | 311 |
| 2017 | 7 | 16 | 19 |
| 2018 | 9 | 30 | 33 |
| 2019 | 7 | 7 | 7 |
| 2020 | 3 | 6 | 6 |
| 2021 | 16 | 37 | 43 |
| 2022 | 43 | 191 | 231 |
| 2023 | 15 | 61 | 73 |
| 2024 | 10 | 56 | 63 |
| 2024-25 | 2 | 2 | 2 |
| 2025 | 14 | 32 | 32 |
| 2025-26 | 1 | 1 | 1 |
| 2026 | 3 | 16 | 16 |