Value | Category |
---|---|
0 | don't know |
1 | managerial, executive and high administrative |
2 | independent professional |
3 | middle and lower salaried professional |
4 | inspectoral and semi-professional |
5 | clerical and non-counter sales |
6 | skilled manual |
7 | routine white collar and counter sales |
8 | semi-skilled |
9 | unskilled |
10 | none |