| Value | Category | Cases | |
|---|---|---|---|
| 9 | 9 |
1%
|
|
| 10 | 3 |
0.3%
|
|
| 11 | 11 | 9 |
1%
|
| 12 | 12 | 35 |
4.1%
|
| 13 | 13 | 52 |
6%
|
| 14 | 14 | 82 |
9.5%
|
| 15 | 15 | 109 |
12.6%
|
| 16 | 16 | 147 |
17%
|
| 17 | 17 | 143 |
16.6%
|
| 18 | 18 | 126 |
14.6%
|
| 19 | 19 | 63 |
7.3%
|
| 20 | 32 |
3.7%
|
|
| 21 | 16 |
1.9%
|
|
| 22 | 9 |
1%
|
|
| 23 | 8 |
0.9%
|
|
| 24 | 2 |
0.2%
|
|
| 25 | 2 |
0.2%
|
|
| 26 | 1 |
0.1%
|
|
| 28 | 2 |
0.2%
|
|
| 30 | 2 |
0.2%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 2 |
0.2%
|
|
| 33 | 3 |
0.3%
|
|
| 35 | 1 |
0.1%
|
|
| 36 | 1 |
0.1%
|
|
| 39 | 2 |
0.2%
|
|
| 41 | 1 |
0.1%
|
|
| 47 | 1 |
0.1%
|
|
| -5 | Missing; Unknown | 0 | |
| -4 | Not asked in survey | 0 | |
| -3 | Not applicable; No formal education | 80 | |
| -2 | No answer | 56 | |
| -1 | Don´t know | 0 |