| Value | Category | Cases | |
|---|---|---|---|
| 1 | 14% | 542 |
4.9%
|
| 2 | 19% | 1813 |
16.4%
|
| 3 | 24% | 3040 |
27.5%
|
| 4 | 29% | 571 |
5.2%
|
| 5 | 34% | 298 |
2.7%
|
| 8 | Don't know | 955 |
8.6%
|
| 9 | No answer | 68 |
0.6%
|
| Sysmiss | 3786 |
34.2%
|