Q: This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
In Bern, about 50,418 or (39.2%) of the population have completed non-mandatory upper secondary education, and 24,311 or (18.9%) have completed additional higher education (either university or a Fachhochschule). Of the 24,311 who completed tertiary schooling, 51.6% were Swiss men, 33.0% were Swiss women, 8.9% were non-Swiss men and 6.5% were non-Swiss women.
A:
What percent of the population has completed non-mandatory upper secondary education?