| Value |
Category |
| 12 |
12 |
| 13 |
13 |
| 14 |
14 |
| 15 |
15 |
| 16 |
16 |
| 17 |
17 |
| 18 |
18 |
| 19 |
19 |
| 20 |
20 |
| 21 |
21 |
| -4 |
Not asked |
| -3 |
Not applicable |
| -2 |
No answer |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.