| Year | Number of sets | Total items | Total graded |
|---|---|---|---|
| Totals | 66 | 355 | 429 |
| 1899 | 1 | 6 | 6 |
| 1930 | 1 | 1 | 1 |
| 1933 | 1 | 16 | 16 |
| 1933-40 | 1 | 2 | 2 |
| 1940 | 1 | 1 | 1 |
| 1941 | 1 | 3 | 3 |
| 1947 | 1 | 3 | 4 |
| 1952 | 2 | 54 | 54 |
| 1953 | 1 | 18 | 18 |
| 1957 | 2 | 4 | 4 |
| 1962 | 3 | 5 | 5 |
| 1964 | 1 | 1 | 1 |
| 1965 | 1 | 33 | 33 |
| 1966 | 5 | 12 | 12 |
| 1967 | 1 | 2 | 2 |
| 1969 | 1 | 1 | 1 |
| 1977 | 1 | 1 | 1 |
| 1978 | 1 | 1 | 1 |
| 1980 | 3 | 8 | 8 |
| 1983 | 1 | 3 | 3 |
| 1985 | 3 | 65 | 126 |
| 1986 | 1 | 12 | 12 |
| 1987 | 1 | 4 | 4 |
| 1988 | 1 | 1 | 1 |
| 1989 | 3 | 9 | 9 |
| 1990 | 1 | 14 | 17 |
| 1991 | 5 | 16 | 22 |
| 1992 | 1 | 2 | 2 |
| 1993 | 1 | 1 | 1 |
| 1994 | 1 | 1 | 2 |
| 1995 | 2 | 5 | 6 |
| 1999 | 1 | 1 | 1 |
| 2000 | 1 | 1 | 1 |
| 2001 | 1 | 1 | 1 |
| 2006 | 1 | 1 | 1 |
| 2010 | 1 | 2 | 2 |
| 2013 | 1 | 5 | 6 |
| 2015 | 1 | 2 | 2 |
| 2017 | 1 | 26 | 26 |
| 2018 | 1 | 1 | 1 |
| 2020 | 1 | 3 | 3 |
| 2022 | 1 | 1 | 1 |
| 2023 | 5 | 6 | 6 |