| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 814 | 3,575 | 6,192 |
| 1910 | 1 | 2 | 2 |
| 1920 | 1 | 1 | 1 |
| 1935 | 1 | 3 | 3 |
| 1940 | 1 | 1 | 1 |
| 1948 | 2 | 60 | 72 |
| 1950 | 1 | 53 | 64 |
| 1951 | 1 | 1 | 1 |
| 1952 | 5 | 48 | 58 |
| 1953 | 1 | 2 | 2 |
| 1954 | 3 | 4 | 4 |
| 1955 | 3 | 31 | 32 |
| 1956 | 6 | 28 | 33 |
| 1957 | 1 | 5 | 7 |
| 1957-58 | 1 | 1 | 1 |
| 1958 | 3 | 52 | 66 |
| 1959 | 4 | 55 | 89 |
| 1960 | 4 | 56 | 79 |
| 1961 | 4 | 65 | 87 |
| 1961-62 | 1 | 2 | 2 |
| 1962 | 7 | 88 | 100 |
| 1963 | 6 | 52 | 64 |
| 1964 | 4 | 99 | 121 |
| 1965 | 4 | 63 | 93 |
| 1965-66 | 2 | 3 | 3 |
| 1966 | 2 | 40 | 47 |
| 1967 | 2 | 12 | 13 |
| 1968 | 3 | 40 | 64 |
| 1969 | 1 | 7 | 20 |
| 1970 | 5 | 44 | 80 |
| 1970-71 | 1 | 1 | 1 |
| 1971 | 3 | 51 | 116 |
| 1972 | 5 | 64 | 112 |
| 1972-73 | 1 | 1 | 1 |
| 1973 | 1 | 18 | 55 |
| 1974 | 1 | 18 | 29 |
| 1975 | 1 | 12 | 28 |
| 1976 | 2 | 26 | 62 |
| 1976-77 | 1 | 2 | 2 |
| 1977 | 1 | 22 | 42 |
| 1978 | 1 | 16 | 57 |
| 1979 | 1 | 15 | 39 |
| 1979-80 | 1 | 1 | 1 |
| 1980 | 1 | 12 | 16 |
| 1980-81 | 1 | 2 | 2 |
| 1981 | 3 | 41 | 200 |
| 1981-82 | 1 | 1 | 1 |
| 1982 | 2 | 18 | 86 |
| 1982-83 | 1 | 1 | 1 |
| 1983 | 10 | 40 | 94 |
| 1984 | 7 | 41 | 182 |
| 1984-85 | 2 | 4 | 4 |
| 1985 | 3 | 24 | 48 |
| 1986 | 2 | 21 | 134 |
| 1986-87 | 1 | 1 | 1 |
| 1987 | 4 | 23 | 151 |
| 1988 | 5 | 38 | 101 |
| 1988-89 | 2 | 2 | 2 |
| 1989 | 7 | 43 | 242 |
| 1989-90 | 1 | 1 | 1 |
| 1990 | 13 | 56 | 107 |
| 1990-91 | 1 | 1 | 1 |
| 1991 | 25 | 78 | 184 |
| 1992 | 10 | 14 | 36 |
| 1992-93 | 1 | 1 | 1 |
| 1993 | 12 | 17 | 22 |
| 1994 | 16 | 22 | 30 |
| 1995 | 17 | 24 | 51 |
| 1996 | 19 | 29 | 37 |
| 1997 | 14 | 27 | 29 |
| 1998 | 43 | 107 | 162 |
| 1998-99 | 1 | 1 | 1 |
| 1999 | 37 | 78 | 92 |
| 1999-00 | 1 | 1 | 1 |
| 2000 | 36 | 140 | 262 |
| 2001 | 15 | 17 | 19 |
| 2002 | 11 | 12 | 12 |
| 2003 | 16 | 17 | 20 |
| 2003-04 | 2 | 2 | 2 |
| 2004 | 17 | 28 | 30 |
| 2005 | 16 | 18 | 24 |
| 2005-06 | 2 | 3 | 3 |
| 2006 | 15 | 115 | 136 |
| 2007 | 13 | 21 | 21 |
| 2007-08 | 1 | 1 | 1 |
| 2008 | 13 | 15 | 15 |
| 2009 | 7 | 9 | 10 |
| 2010 | 5 | 13 | 15 |
| 2011 | 9 | 15 | 23 |
| 2012 | 10 | 15 | 17 |
| 2013 | 13 | 17 | 24 |
| 2014 | 9 | 15 | 22 |
| 2015 | 7 | 12 | 14 |
| 2016 | 7 | 8 | 8 |
| 2017 | 11 | 24 | 26 |
| 2018 | 35 | 89 | 202 |
| 2018-19 | 1 | 1 | 1 |
| 2019 | 15 | 39 | 45 |
| 2020 | 39 | 255 | 440 |
| 2020-21 | 2 | 3 | 3 |
| 2021 | 48 | 406 | 614 |
| 2021-22 | 1 | 2 | 3 |
| 2022 | 39 | 188 | 233 |
| 2023 | 26 | 91 | 108 |
| 2023-24 | 1 | 1 | 1 |
| 2024 | 9 | 49 | 64 |