| Subject area | Number of secondary
school teachers by principal subject taught | Subjects
groups by teacher number1 | Number of teachers
in each major group2 | Average number of
teachers per each subject area3 | Average number of
teachers with subject-related training in
the their subjects taught in this subgroup3 | Average
number of teacherswith no subject-
related training in the subjects of this subgroup3 | Percent
average of subject trained teachers4 |