Some classes of elementary school

Graduates of elementary school

Graduates of junior high school

Graduates of high school

Graduates of higher education

Number of cooperatives

6

44

34

40

17

Mean ± St Dev.

2.8 ± 1.9

5.4 ± 4.0

3.0 ± 2.2

4.6 ± 3.1

2.6 ± 2.2

Minimum number

1

1

1

1

1