* School directors (elementary schools)
This page shows decentralized state units and decentralized subordinate units.
Decentralized units
| Year | Count | Name | Decentralized |
|---|---|---|---|
| 1947 | 7 | school director's offices | state units |
| 1948 | 8 | school director's offices | state units |
| 1949 | 9 (est.) | school director's offices | state units |
| 1950 | 9 (est.) | school director's offices | state units |
| 1951 | 9 (est.) | school director's offices | state units |
| 1952 | 9 | school director's offices | state units |
| 1953 | 9 (est.) | school director's offices | state units |
| 1954 | 9 (est.) | school director's offices | state units |
| 1955 | 9 (est.) | school director's offices | state units |
| 1956 | 9 (est.) | school director's offices | state units |
| 1957 | 9 (est.) | school director's offices | state units |
| 1958 | 10 | school director's offices | state units |
| 1959 | 12 (est.) | school director's offices | state units |
| 1960 | 12 (est.) | school director's offices | state units |
| 1961 | 12 (est.) | school director's offices | state units |
| 1962 | 12 (est.) | school director's offices | state units |
| 1963 | 13 | school director's offices | state units |
| 1964 | 16 (est.) | school director's offices | state units |
| 1965 | 16 (est.) | school director's offices | state units |
| 1966 | 16 (est.) | school director's offices | state units |
| 1967 | 18 | school director's offices | state units |
| 1968 | 18 | school director's offices | state units |
| 1969 | 18 | school director's offices | state units |
| 1970 | 18 | school director's offices | state units |
| 1971 | 18 | school director's offices | state units |
| 1972 | 18 | school director's offices | state units |
| 1973 | 18 | school director's offices | state units |
| 1974 | 18 | school director's offices | state units |
| 1975 | 18 | school director's offices | state units |
| 1976 | 18 | school director's offices | state units |
| 1977 | 18 | school director's offices | state units |
| 1978 | 18 | school director's offices | state units |
| 1979 | 18 | school director's offices | state units |
| 1980 | 18 | school director's offices | state units |
| 1981 | 18 | school director's offices | state units |
| 1982 | 18 | school director's offices | state units |
| 1983 | 18 | school director's offices | state units |
| 1984 | 18 | school director's offices | state units |
| 1985 | 18 | school director's offices | state units |
| 1986 | 18 | school director's offices | state units |
| 1987 | 18 | school director's offices | state units |
| 1988 | 18 | school director's offices | state units |
| 1989 | 18 | school director's offices | state units |
| 1990 | 18 | school director's offices | state units |
| 1991 | 18 | school director's offices | state units |
| 1992 | 18 | school director's offices | state units |