| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
3.8%
|
| 0 | 29 |
36.3%
|
|
| 1 | 6 |
7.5%
|
|
| 2 | 2 |
2.5%
|
|
| 3 | 3 |
3.8%
|
|
| 4 | 4 |
5%
|
|
| 6 | 1 |
1.3%
|
|
| 7 | 3 |
3.8%
|
|
| 8 | 3 |
3.8%
|
|
| 10 | 4 |
5%
|
|
| 13 | 2 |
2.5%
|
|
| 16 | 3 |
3.8%
|
|
| 17 | 1 |
1.3%
|
|
| 20 | 2 |
2.5%
|
|
| 21 | 1 |
1.3%
|
|
| 23 | 1 |
1.3%
|
|
| 25 | 3 |
3.8%
|
|
| 29 | 1 |
1.3%
|
|
| 34 | 1 |
1.3%
|
|
| 40 | 1 |
1.3%
|
|
| 44 | 1 |
1.3%
|
|
| 45 | 2 |
2.5%
|
|
| 65 | 1 |
1.3%
|
|
| 100 | 1 |
1.3%
|
|
| 250 | 1 |
1.3%
|
|
| Sysmiss | 160 |