| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 856 | 3,310 | 7,667 |
| 1887 | 1 | 1 | 1 |
| 1887-90 | 1 | 1 | 1 |
| 1909-11 | 10 | 15 | 93 |
| 1910-11 | 1 | 1 | 1 |
| 1910-19 | 1 | 1 | 1 |
| 1911 | 14 | 14 | 231 |
| 1912 | 1 | 48 | 56 |
| 1913 | 1 | 1 | 7 |
| 1914 | 1 | 1 | 1 |
| 1916 | 1 | 10 | 10 |
| 1920 | 1 | 1 | 1 |
| 1931 | 1 | 1 | 1 |
| 1933 | 3 | 13 | 13 |
| 1933-34 | 1 | 1 | 1 |
| 1934 | 2 | 5 | 5 |
| 1936 | 1 | 2 | 2 |
| 1937 | 1 | 2 | 2 |
| 1938 | 1 | 1 | 1 |
| 1939 | 1 | 5 | 5 |
| 1941 | 1 | 3 | 3 |
| 1947 | 1 | 1 | 3 |
| 1947-66 | 1 | 1 | 1 |
| 1948 | 3 | 4 | 4 |
| 1948-49 | 1 | 8 | 9 |
| 1949 | 1 | 2 | 3 |
| 1950 | 2 | 5 | 5 |
| 1951 | 2 | 8 | 10 |
| 1952 | 2 | 79 | 182 |
| 1953 | 4 | 23 | 49 |
| 1954 | 5 | 33 | 65 |
| 1955 | 2 | 23 | 67 |
| 1956 | 2 | 32 | 65 |
| 1957 | 1 | 23 | 53 |
| 1958 | 2 | 56 | 135 |
| 1959 | 2 | 31 | 98 |
| 1960 | 2 | 53 | 124 |
| 1961 | 5 | 87 | 187 |
| 1961-62 | 1 | 1 | 1 |
| 1962 | 6 | 92 | 216 |
| 1963 | 5 | 33 | 64 |
| 1964 | 2 | 17 | 68 |
| 1965 | 3 | 51 | 96 |
| 1966 | 4 | 44 | 151 |
| 1966-67 | 1 | 1 | 1 |
| 1967 | 3 | 31 | 94 |
| 1968 | 3 | 43 | 176 |
| 1969 | 5 | 68 | 200 |
| 1970 | 3 | 51 | 89 |
| 1970-71 | 1 | 1 | 1 |
| 1971 | 3 | 61 | 145 |
| 1971-72 | 1 | 1 | 1 |
| 1972 | 2 | 56 | 98 |
| 1973 | 4 | 39 | 79 |
| 1973-74 | 1 | 1 | 1 |
| 1974 | 2 | 23 | 58 |
| 1975 | 3 | 47 | 118 |
| 1975-76 | 1 | 1 | 1 |
| 1976 | 2 | 70 | 85 |
| 1977 | 4 | 16 | 53 |
| 1977-78 | 1 | 1 | 1 |
| 1978 | 3 | 30 | 100 |
| 1978-79 | 1 | 2 | 2 |
| 1979 | 3 | 14 | 69 |
| 1979-80 | 1 | 1 | 1 |
| 1980 | 4 | 35 | 103 |
| 1980-81 | 1 | 4 | 6 |
| 1981 | 6 | 49 | 81 |
| 1981-82 | 1 | 1 | 1 |
| 1982 | 8 | 46 | 246 |
| 1983 | 7 | 27 | 83 |
| 1983-84 | 1 | 1 | 1 |
| 1984 | 9 | 48 | 107 |
| 1985 | 8 | 38 | 105 |
| 1986 | 9 | 43 | 88 |
| 1987 | 17 | 60 | 155 |
| 1988 | 17 | 39 | 67 |
| 1989 | 27 | 111 | 873 |
| 1989-90 | 2 | 2 | 7 |
| 1990 | 25 | 104 | 413 |
| 1990-91 | 1 | 1 | 2 |
| 1991 | 32 | 144 | 281 |
| 1991-92 | 2 | 2 | 2 |
| 1992 | 22 | 85 | 113 |
| 1993 | 26 | 59 | 149 |
| 1993-94 | 1 | 1 | 1 |
| 1994 | 21 | 57 | 85 |
| 1995 | 23 | 41 | 51 |
| 1996 | 17 | 46 | 52 |
| 1997 | 14 | 25 | 30 |
| 1998 | 26 | 54 | 65 |
| 1999 | 20 | 42 | 45 |
| 2000 | 13 | 25 | 31 |
| 2001 | 26 | 60 | 79 |
| 2002 | 23 | 49 | 60 |
| 2003 | 20 | 25 | 30 |
| 2004 | 9 | 12 | 13 |
| 2005 | 17 | 33 | 62 |
| 2006 | 11 | 38 | 56 |
| 2007 | 11 | 20 | 23 |
| 2008 | 6 | 6 | 6 |
| 2009 | 3 | 3 | 3 |
| 2009-10 | 1 | 1 | 1 |
| 2010 | 5 | 7 | 7 |
| 2011 | 11 | 18 | 19 |
| 2012 | 8 | 32 | 45 |
| 2013 | 4 | 10 | 11 |
| 2014 | 6 | 10 | 30 |
| 2015 | 3 | 3 | 3 |
| 2016 | 7 | 8 | 15 |
| 2017 | 10 | 15 | 17 |
| 2018 | 21 | 36 | 54 |
| 2019 | 24 | 53 | 72 |
| 2020 | 23 | 47 | 57 |
| 2020-21 | 1 | 1 | 1 |
| 2021 | 30 | 61 | 69 |
| 2021-22 | 1 | 1 | 1 |
| 2022 | 30 | 71 | 81 |
| 2023 | 25 | 86 | 115 |
| 2023-24 | 2 | 3 | 3 |
| 2024 | 6 | 19 | 26 |