| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 451 | 1,325 | 1,843 |
| 1914 | 1 | 1 | 1 |
| 1916 | 1 | 10 | 10 |
| 1933 | 1 | 2 | 2 |
| 1934 | 1 | 1 | 1 |
| 1937 | 1 | 2 | 2 |
| 1939 | 1 | 5 | 5 |
| 1941 | 1 | 1 | 1 |
| 1948 | 2 | 2 | 2 |
| 1950 | 1 | 2 | 2 |
| 1951 | 2 | 4 | 4 |
| 1952 | 2 | 11 | 13 |
| 1953 | 1 | 4 | 6 |
| 1954 | 2 | 6 | 9 |
| 1955 | 2 | 13 | 16 |
| 1956 | 2 | 8 | 10 |
| 1957 | 1 | 11 | 12 |
| 1958 | 1 | 10 | 13 |
| 1959 | 1 | 9 | 13 |
| 1960 | 2 | 28 | 31 |
| 1961 | 1 | 59 | 80 |
| 1962 | 3 | 56 | 75 |
| 1963 | 1 | 8 | 9 |
| 1964 | 1 | 10 | 12 |
| 1965 | 2 | 38 | 53 |
| 1966 | 3 | 30 | 59 |
| 1967 | 3 | 14 | 21 |
| 1968 | 4 | 21 | 44 |
| 1969 | 3 | 27 | 64 |
| 1970 | 3 | 21 | 25 |
| 1970-71 | 1 | 1 | 1 |
| 1971 | 3 | 28 | 36 |
| 1972 | 2 | 16 | 17 |
| 1973 | 3 | 21 | 23 |
| 1974 | 2 | 9 | 13 |
| 1975 | 3 | 13 | 16 |
| 1976 | 3 | 59 | 59 |
| 1977 | 2 | 7 | 10 |
| 1978 | 3 | 13 | 20 |
| 1979 | 3 | 8 | 11 |
| 1980 | 2 | 25 | 39 |
| 1981 | 4 | 31 | 37 |
| 1982 | 6 | 24 | 31 |
| 1983 | 6 | 15 | 20 |
| 1984 | 7 | 21 | 31 |
| 1985 | 4 | 17 | 36 |
| 1986 | 9 | 14 | 23 |
| 1987 | 12 | 33 | 56 |
| 1988 | 11 | 15 | 19 |
| 1989 | 16 | 31 | 72 |
| 1990 | 13 | 43 | 58 |
| 1990-91 | 1 | 1 | 2 |
| 1991 | 15 | 46 | 61 |
| 1991-92 | 1 | 1 | 1 |
| 1992 | 8 | 25 | 32 |
| 1993 | 15 | 26 | 63 |
| 1994 | 9 | 17 | 21 |
| 1995 | 8 | 9 | 11 |
| 1996 | 3 | 5 | 5 |
| 1997 | 3 | 3 | 4 |
| 1998 | 5 | 6 | 8 |
| 1999 | 10 | 14 | 15 |
| 2000 | 10 | 13 | 13 |
| 2001 | 18 | 31 | 41 |
| 2002 | 13 | 17 | 20 |
| 2003 | 19 | 24 | 29 |
| 2004 | 9 | 12 | 13 |
| 2005 | 14 | 28 | 45 |
| 2006 | 9 | 17 | 23 |
| 2007 | 10 | 17 | 26 |
| 2008 | 3 | 3 | 3 |
| 2009 | 1 | 1 | 1 |
| 2010 | 3 | 3 | 3 |
| 2011 | 2 | 4 | 4 |
| 2012 | 4 | 10 | 14 |
| 2013 | 1 | 1 | 1 |
| 2014 | 2 | 2 | 13 |
| 2016 | 4 | 4 | 9 |
| 2017 | 4 | 9 | 9 |
| 2018 | 8 | 9 | 18 |
| 2019 | 10 | 13 | 13 |
| 2020 | 13 | 19 | 19 |
| 2020-21 | 1 | 1 | 1 |
| 2021 | 14 | 19 | 20 |
| 2022 | 15 | 25 | 26 |
| 2023 | 16 | 22 | 22 |
| 2023-24 | 1 | 2 | 2 |
| 2024 | 4 | 8 | 9 |