| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 1,333 | 6,394 | 11,008 |
| 1910 | 1 | 2 | 2 |
| 1911 | 1 | 1 | 1 |
| 1920 | 1 | 1 | 1 |
| 1922 | 1 | 1 | 1 |
| 1935 | 1 | 3 | 3 |
| 1940 | 1 | 1 | 1 |
| 1948 | 2 | 64 | 77 |
| 1950 | 1 | 61 | 73 |
| 1951 | 1 | 13 | 15 |
| 1952 | 5 | 76 | 98 |
| 1953 | 1 | 3 | 3 |
| 1954 | 3 | 4 | 5 |
| 1954-55 | 1 | 2 | 2 |
| 1955 | 2 | 35 | 37 |
| 1956 | 6 | 42 | 60 |
| 1957 | 1 | 11 | 19 |
| 1957-58 | 1 | 3 | 3 |
| 1958 | 3 | 56 | 82 |
| 1959 | 5 | 71 | 120 |
| 1960 | 5 | 66 | 96 |
| 1960-61 | 1 | 1 | 1 |
| 1961 | 5 | 76 | 107 |
| 1961-62 | 1 | 1 | 1 |
| 1962 | 8 | 126 | 151 |
| 1963 | 8 | 101 | 130 |
| 1963-64 | 1 | 1 | 1 |
| 1964 | 5 | 108 | 134 |
| 1965 | 5 | 75 | 111 |
| 1965-66 | 1 | 2 | 2 |
| 1966 | 2 | 40 | 51 |
| 1967 | 2 | 13 | 16 |
| 1968 | 3 | 43 | 71 |
| 1969 | 3 | 12 | 29 |
| 1970 | 6 | 51 | 116 |
| 1971 | 6 | 69 | 172 |
| 1971-72 | 2 | 3 | 3 |
| 1972 | 5 | 211 | 297 |
| 1972-73 | 1 | 3 | 3 |
| 1973 | 1 | 23 | 63 |
| 1974 | 1 | 22 | 40 |
| 1975 | 1 | 28 | 60 |
| 1975-76 | 1 | 1 | 1 |
| 1976 | 2 | 35 | 84 |
| 1977 | 1 | 30 | 58 |
| 1978 | 1 | 39 | 103 |
| 1978-79 | 1 | 1 | 1 |
| 1979 | 1 | 24 | 64 |
| 1980 | 1 | 30 | 40 |
| 1980-81 | 1 | 1 | 1 |
| 1981 | 5 | 53 | 293 |
| 1981-82 | 1 | 1 | 1 |
| 1982 | 3 | 48 | 134 |
| 1982-83 | 1 | 4 | 6 |
| 1983 | 12 | 44 | 112 |
| 1984 | 8 | 56 | 255 |
| 1984-85 | 2 | 4 | 4 |
| 1985 | 4 | 41 | 82 |
| 1986 | 3 | 74 | 271 |
| 1986-87 | 4 | 80 | 116 |
| 1987 | 3 | 36 | 189 |
| 1988 | 7 | 43 | 142 |
| 1988-89 | 2 | 4 | 5 |
| 1989 | 8 | 59 | 384 |
| 1989-90 | 6 | 13 | 13 |
| 1990 | 24 | 114 | 205 |
| 1990-91 | 5 | 32 | 51 |
| 1990-99 | 1 | 1 | 1 |
| 1991 | 28 | 151 | 383 |
| 1991-92 | 4 | 31 | 50 |
| 1992 | 23 | 79 | 122 |
| 1992-93 | 9 | 55 | 63 |
| 1993 | 20 | 34 | 47 |
| 1993-94 | 4 | 10 | 10 |
| 1994 | 21 | 36 | 48 |
| 1994-95 | 4 | 6 | 7 |
| 1995 | 25 | 46 | 75 |
| 1995-96 | 7 | 7 | 9 |
| 1996 | 30 | 47 | 55 |
| 1996-97 | 14 | 30 | 37 |
| 1997 | 19 | 41 | 46 |
| 1997-98 | 11 | 24 | 31 |
| 1998 | 47 | 131 | 206 |
| 1998-99 | 23 | 91 | 379 |
| 1999 | 49 | 117 | 135 |
| 1999-00 | 12 | 37 | 41 |
| 2000 | 41 | 159 | 300 |
| 2000-01 | 3 | 6 | 6 |
| 2000-10 | 1 | 1 | 1 |
| 2001 | 21 | 29 | 32 |
| 2001-02 | 1 | 1 | 1 |
| 2002 | 17 | 20 | 21 |
| 2002-03 | 1 | 1 | 1 |
| 2003 | 21 | 25 | 28 |
| 2003-04 | 10 | 12 | 13 |
| 2004 | 20 | 37 | 42 |
| 2004-05 | 6 | 8 | 8 |
| 2005 | 24 | 31 | 44 |
| 2005-06 | 4 | 5 | 5 |
| 2006 | 17 | 125 | 147 |
| 2006-07 | 1 | 1 | 1 |
| 2007 | 23 | 42 | 42 |
| 2007-08 | 2 | 2 | 2 |
| 2008 | 23 | 37 | 41 |
| 2008-09 | 2 | 2 | 2 |
| 2009 | 10 | 13 | 18 |
| 2009-10 | 1 | 5 | 5 |
| 2010 | 13 | 24 | 32 |
| 2011 | 12 | 21 | 31 |
| 2012 | 17 | 28 | 35 |
| 2013 | 14 | 22 | 29 |
| 2013-14 | 1 | 1 | 1 |
| 2014 | 15 | 25 | 33 |
| 2014-15 | 1 | 1 | 1 |
| 2015 | 15 | 40 | 56 |
| 2015-16 | 4 | 5 | 5 |
| 2016 | 14 | 27 | 28 |
| 2016-17 | 1 | 1 | 1 |
| 2017 | 12 | 35 | 43 |
| 2017-18 | 2 | 2 | 2 |
| 2018 | 36 | 99 | 181 |
| 2018-19 | 4 | 5 | 5 |
| 2019 | 24 | 74 | 86 |
| 2019-20 | 6 | 7 | 7 |
| 2020 | 47 | 353 | 615 |
| 2020-21 | 7 | 10 | 10 |
| 2021 | 62 | 549 | 844 |
| 2021-22 | 8 | 15 | 16 |
| 2022 | 51 | 297 | 412 |
| 2022-23 | 7 | 8 | 9 |
| 2023 | 45 | 259 | 308 |
| 2023-24 | 15 | 22 | 31 |
| 2024 | 39 | 324 | 517 |
| 2024-25 | 5 | 12 | 13 |
| 2025 | 28 | 184 | 262 |
| 2025-26 | 3 | 5 | 5 |
| 2026 | 7 | 11 | 12 |