| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 7 |
4.2%
|
| -8 | Refused | 2 |
1.2%
|
| 3 | 1 |
0.6%
|
|
| 4 | 1 |
0.6%
|
|
| 5 | 5 |
3%
|
|
| 6 | 11 |
6.5%
|
|
| 7 | 26 |
15.5%
|
|
| 8 | 48 |
28.6%
|
|
| 9 | 27 |
16.1%
|
|
| 10 | 16 |
9.5%
|
|
| 11 | 13 |
7.7%
|
|
| 12 | 5 |
3%
|
|
| 13 | 3 |
1.8%
|
|
| 14 | 2 |
1.2%
|
|
| 17 | 1 |
0.6%
|
|
| Sysmiss | 918 |