Stratified variables

Population (N = 13,011)

Sample (n = 772)

N

%

n

%

Gender

Females

7039

54.1

421

53.2

Males

5972

45.9

351

46.8

Knowledge areas

Scientific¹

1726

13.26

104

13.47

Humanistic²

1062

8.16

66

8.54

Technologic³

4116

31.63

246

31.86

Legal & Social⁴

6107

46.93

356

46.11