| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 1,398 | 7,641 | 18,328 |
| 1887 | 2 | 2 | 5 |
| 1887-90 | 1 | 1 | 1 |
| 1900 | 1 | 1 | 1 |
| 1909 | 4 | 5 | 9 |
| 1909-11 | 12 | 18 | 99 |
| 1910-11 | 1 | 1 | 1 |
| 1910-19 | 1 | 1 | 1 |
| 1911 | 15 | 15 | 232 |
| 1912 | 1 | 48 | 57 |
| 1913 | 2 | 2 | 9 |
| 1914 | 1 | 1 | 1 |
| 1916 | 2 | 11 | 11 |
| 1920 | 1 | 1 | 1 |
| 1921-22 | 1 | 1 | 2 |
| 1922 | 3 | 14 | 14 |
| 1924 | 1 | 1 | 1 |
| 1926 | 1 | 2 | 2 |
| 1929 | 2 | 2 | 2 |
| 1931 | 1 | 1 | 1 |
| 1932 | 1 | 1 | 1 |
| 1933 | 4 | 23 | 27 |
| 1933-34 | 1 | 1 | 1 |
| 1934 | 3 | 13 | 18 |
| 1934-36 | 2 | 3 | 3 |
| 1936 | 3 | 96 | 130 |
| 1937 | 2 | 13 | 15 |
| 1938 | 2 | 2 | 2 |
| 1939 | 3 | 11 | 19 |
| 1940 | 1 | 1 | 1 |
| 1941 | 2 | 8 | 10 |
| 1945-46 | 1 | 1 | 2 |
| 1947 | 1 | 1 | 3 |
| 1947-66 | 1 | 3 | 3 |
| 1948 | 5 | 15 | 21 |
| 1948-49 | 1 | 10 | 11 |
| 1949 | 3 | 8 | 9 |
| 1950 | 2 | 10 | 14 |
| 1951 | 5 | 26 | 39 |
| 1951-52 | 1 | 5 | 5 |
| 1952 | 3 | 298 | 699 |
| 1953 | 5 | 84 | 144 |
| 1953-55 | 1 | 1 | 1 |
| 1954 | 6 | 73 | 180 |
| 1954-55 | 1 | 1 | 1 |
| 1955 | 2 | 51 | 176 |
| 1955-56 | 1 | 1 | 1 |
| 1956 | 1 | 48 | 135 |
| 1957 | 1 | 59 | 144 |
| 1957-58 | 2 | 2 | 2 |
| 1958 | 2 | 73 | 251 |
| 1958-59 | 1 | 1 | 1 |
| 1959 | 4 | 53 | 173 |
| 1960 | 4 | 64 | 165 |
| 1960-61 | 1 | 2 | 2 |
| 1961 | 8 | 120 | 303 |
| 1961-62 | 2 | 2 | 2 |
| 1962 | 9 | 203 | 444 |
| 1963 | 5 | 71 | 131 |
| 1963-64 | 2 | 2 | 2 |
| 1964 | 4 | 55 | 138 |
| 1965 | 4 | 78 | 210 |
| 1966 | 5 | 57 | 220 |
| 1966-67 | 2 | 2 | 2 |
| 1967 | 3 | 51 | 139 |
| 1967-68 | 1 | 5 | 5 |
| 1968 | 4 | 112 | 315 |
| 1968-69 | 1 | 2 | 2 |
| 1969 | 5 | 81 | 295 |
| 1969-70 | 1 | 2 | 2 |
| 1970 | 4 | 83 | 214 |
| 1970-71 | 1 | 1 | 1 |
| 1971 | 5 | 117 | 286 |
| 1971-72 | 2 | 5 | 6 |
| 1972 | 6 | 125 | 259 |
| 1972-73 | 1 | 4 | 5 |
| 1973 | 5 | 153 | 282 |
| 1973-74 | 1 | 1 | 1 |
| 1974 | 2 | 43 | 115 |
| 1975 | 3 | 123 | 310 |
| 1975-76 | 1 | 1 | 1 |
| 1976 | 3 | 92 | 141 |
| 1976-77 | 1 | 1 | 1 |
| 1977 | 4 | 63 | 146 |
| 1977-78 | 1 | 8 | 8 |
| 1978 | 4 | 63 | 287 |
| 1978-79 | 2 | 5 | 6 |
| 1979 | 3 | 61 | 184 |
| 1979-80 | 2 | 7 | 7 |
| 1980 | 4 | 59 | 203 |
| 1980-81 | 2 | 6 | 8 |
| 1981 | 8 | 83 | 178 |
| 1981-82 | 1 | 2 | 2 |
| 1982 | 11 | 120 | 426 |
| 1983 | 7 | 92 | 412 |
| 1983-84 | 1 | 2 | 2 |
| 1984 | 10 | 77 | 317 |
| 1984-85 | 2 | 7 | 7 |
| 1985 | 10 | 84 | 360 |
| 1985-86 | 2 | 2 | 6 |
| 1986 | 10 | 84 | 277 |
| 1986-87 | 3 | 3 | 3 |
| 1987 | 23 | 131 | 903 |
| 1987-88 | 1 | 1 | 1 |
| 1988 | 21 | 94 | 201 |
| 1988-89 | 2 | 2 | 2 |
| 1989 | 33 | 168 | 1,267 |
| 1989-90 | 6 | 11 | 18 |
| 1990 | 36 | 213 | 923 |
| 1990-91 | 6 | 7 | 10 |
| 1991 | 46 | 265 | 618 |
| 1991-92 | 5 | 9 | 15 |
| 1992 | 37 | 144 | 314 |
| 1992-93 | 2 | 3 | 6 |
| 1993 | 38 | 121 | 392 |
| 1993-94 | 2 | 2 | 4 |
| 1994 | 43 | 139 | 283 |
| 1994-95 | 2 | 2 | 3 |
| 1995 | 32 | 86 | 145 |
| 1995-96 | 1 | 1 | 1 |
| 1996 | 24 | 106 | 147 |
| 1996-97 | 1 | 1 | 1 |
| 1997 | 22 | 103 | 129 |
| 1998 | 35 | 110 | 134 |
| 1998-99 | 3 | 5 | 6 |
| 1999 | 28 | 70 | 77 |
| 1999-00 | 2 | 8 | 10 |
| 2000 | 33 | 156 | 179 |
| 2001 | 39 | 96 | 147 |
| 2002 | 27 | 59 | 71 |
| 2003 | 20 | 30 | 38 |
| 2004 | 16 | 27 | 30 |
| 2004-05 | 1 | 1 | 1 |
| 2005 | 22 | 51 | 88 |
| 2005-06 | 1 | 4 | 7 |
| 2006 | 13 | 60 | 85 |
| 2006-07 | 1 | 1 | 1 |
| 2007 | 19 | 33 | 39 |
| 2007-08 | 1 | 1 | 1 |
| 2008 | 14 | 16 | 17 |
| 2008-09 | 2 | 2 | 2 |
| 2009 | 6 | 6 | 6 |
| 2009-10 | 1 | 1 | 1 |
| 2010 | 9 | 12 | 16 |
| 2011 | 16 | 42 | 50 |
| 2011-12 | 1 | 1 | 1 |
| 2012 | 13 | 116 | 136 |
| 2013 | 20 | 110 | 176 |
| 2014 | 13 | 22 | 50 |
| 2014-15 | 1 | 1 | 1 |
| 2015 | 10 | 16 | 18 |
| 2016 | 17 | 40 | 84 |
| 2016-17 | 1 | 1 | 1 |
| 2017 | 25 | 60 | 113 |
| 2017-18 | 1 | 1 | 2 |
| 2018 | 43 | 125 | 241 |
| 2018-19 | 1 | 1 | 1 |
| 2019 | 42 | 153 | 268 |
| 2020 | 43 | 145 | 221 |
| 2020-21 | 1 | 1 | 1 |
| 2021 | 56 | 231 | 267 |
| 2021-22 | 1 | 1 | 1 |
| 2022 | 50 | 206 | 262 |
| 2022-23 | 1 | 1 | 1 |
| 2023 | 30 | 119 | 171 |
| 2023-24 | 3 | 5 | 5 |
| 2024 | 17 | 241 | 353 |
| 2024-25 | 4 | 5 | 5 |
| 2025 | 2 | 29 | 30 |