The instructions say
"12. Highest level of education you have achieved, as of today: (1) Primary school only, (2) Some
high school, no diploma, (3) High school diploma, (4) Vocational school, (5) Some university
courses, (6) University degree, (7) Some graduate-level courses, (8) Master’s degree, (9) Some
doctoral - level courses, and (10) Doctorate"
Based on that you should say 5 - Some university courses