| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | 1 |
0.5%
|
|
| 1 | 1 |
0.5%
|
|
| 2 | 3 |
1.5%
|
|
| 3 | 3 |
1.5%
|
|
| 4 | 13 |
6.4%
|
|
| 5 | 3 |
1.5%
|
|
| 6 | 7 |
3.4%
|
|
| 7 | 1 |
0.5%
|
|
| 8 | 2 |
1%
|
|
| 9 | 3 |
1.5%
|
|
| 10 | 3 |
1.5%
|
|
| 11 | 7 |
3.4%
|
|
| 12 | 157 |
77%
|
|
| Sysmiss | 3 |