| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 57 |
38.5%
|
| 0 | 15 |
10.1%
|
|
| 1 | 6 |
4.1%
|
|
| 2 | 13 |
8.8%
|
|
| 3 | 3 |
2%
|
|
| 4 | 6 |
4.1%
|
|
| 5 | 11 |
7.4%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 3 |
2%
|
|
| 10 | 5 |
3.4%
|
|
| 11 | 2 |
1.4%
|
|
| 12 | 1 |
0.7%
|
|
| 13 | 1 |
0.7%
|
|
| 15 | 9 |
6.1%
|
|
| 17 | 2 |
1.4%
|
|
| 20 | 7 |
4.7%
|
|
| 25 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 70 | 1 |
0.7%
|
|
| 105 | 1 |
0.7%
|
|
| 140 | 1 |
0.7%
|
|
| Sysmiss | 123 |