| 1952 | 1957 | 1962 | 1967 | 1972 | 1977 | 1982 | 1987 | 1992.1 | 1992.2 | 1997 | |
| Braille. Reading and teaching | 1 | 7 | 1 | 4 | 8 | ||||||
| Low vision | 1 | 1 | 4 | 3 | 4 | 5 | 4 | 2 | 26 | ||
| Mainsteaming | 3 | 6 | 5 | 9 | 7 | 10 | 2 | 15 | |||
| Mobility | 1 | 2 | 4 | 7 | |||||||
| Multi-impaird | 1 | 2 | 2 | 1 | 3 | 14 | 17 | 22 | |||
| Preschool childprograms | 1 | 1 | 1 | 1 | 6 | 7 | 4 | 18 | 12 |