| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 7 | 12 |
0.5%
|
|
| 8 | 112 |
4.4%
|
|
| 9 | 199 |
7.8%
|
|
| 10 | 344 |
13.4%
|
|
| 11 | 259 |
10.1%
|
|
| 12 | 215 |
8.4%
|
|
| 13 | 260 |
10.1%
|
|
| 14 | 248 |
9.7%
|
|
| 15 | 190 |
7.4%
|
|
| 16 | 249 |
9.7%
|
|
| 17 | 252 |
9.8%
|
|
| 18 | 162 |
6.3%
|
|
| 19 | 51 |
2%
|
|
| 20 | 12 |
0.5%
|
|
| 21 | 1 |
0%
|
|
| Sysmiss | 67 |