| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
7%
|
| 0 | 24 |
27.9%
|
|
| 1 | 11 |
12.8%
|
|
| 2 | 20 |
23.3%
|
|
| 3 | 5 |
5.8%
|
|
| 4 | 6 |
7%
|
|
| 5 | 2 |
2.3%
|
|
| 6 | 2 |
2.3%
|
|
| 7 | 1 |
1.2%
|
|
| 8 | 3 |
3.5%
|
|
| 9 | 1 |
1.2%
|
|
| 13 | 1 |
1.2%
|
|
| 15 | 1 |
1.2%
|
|
| 17 | 1 |
1.2%
|
|
| 24 | 1 |
1.2%
|
|
| 175 | 1 |
1.2%
|
|
| Sysmiss | 129 |