Literal question
For all people age 12 or older
[Questions 16-28 were asked of persons age 12 or older]
18. How many years did you study in this course?
[Question 17 was asked of persons age 12 or older who have ever attended technical or commercial studies lasting 6 months or more, as per question 16.]
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Interviewer instructions
Persons age 12 or older
Question 18. How many years did you pass in these studies?
You should mark the number of years passed, corresponding to the course referenced in Questions 16 and 17. Fill in the box corresponding to number "0" if the person is attending the course, but still did not pass the first year. If a complete course is only one semester, it is assumed to correspond to a year.
Go to the next question.