| Value | Category | Cases | |
|---|---|---|---|
| 9 | 9 | 3 |
0.3%
|
| 10 | 10 | 7 |
0.7%
|
| 11 | 11 | 8 |
0.8%
|
| 12 | 12 | 30 |
3.1%
|
| 13 | 13 | 21 |
2.1%
|
| 14 | 14 | 96 |
9.8%
|
| 15 | 15 | 47 |
4.8%
|
| 16 | 16 | 100 |
10.2%
|
| 17 | 17 | 80 |
8.2%
|
| 18 | 18 | 149 |
15.2%
|
| 19 | 19 | 68 |
7%
|
| 20 | 20 | 59 |
6%
|
| 21 | 21 | 53 |
5.4%
|
| 22 | 22 | 57 |
5.8%
|
| 23 | 23 | 68 |
7%
|
| 24 | 24 | 53 |
5.4%
|
| 25 | 25 | 44 |
4.5%
|
| 26 | 26 | 14 |
1.4%
|
| 27 | 27 | 11 |
1.1%
|
| 28 | 28 | 8 |
0.8%
|
| 29 | 29 | 2 |
0.2%
|
| -5 | Missing; Not asked by the interviewer | 0 | |
| -4 | Not asked | 0 | |
| -3 | Not applicable; No studies | 3 | |
| -2 | No answer | 22 | |
| -1 | Don´t know | 0 |