| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 122 |
46%
|
| 0 | 9 |
3.4%
|
|
| 1 | 11 |
4.2%
|
|
| 2 | 14 |
5.3%
|
|
| 3 | 9 |
3.4%
|
|
| 4 | 7 |
2.6%
|
|
| 5 | 15 |
5.7%
|
|
| 6 | 6 |
2.3%
|
|
| 7 | 6 |
2.3%
|
|
| 8 | 7 |
2.6%
|
|
| 9 | 3 |
1.1%
|
|
| 10 | 21 |
7.9%
|
|
| 12 | 6 |
2.3%
|
|
| 13 | 1 |
0.4%
|
|
| 15 | 11 |
4.2%
|
|
| 16 | 2 |
0.8%
|
|
| 17 | 2 |
0.8%
|
|
| 20 | 5 |
1.9%
|
|
| 22 | 1 |
0.4%
|
|
| 23 | 1 |
0.4%
|
|
| 25 | 2 |
0.8%
|
|
| 28 | 1 |
0.4%
|
|
| 50 | 2 |
0.8%
|
|
| 65 | 1 |
0.4%
|
|
| Sysmiss | 2432 |