| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 31 |
10.2%
|
| 1 | 13 |
4.3%
|
|
| 2 | 28 |
9.2%
|
|
| 3 | 18 |
5.9%
|
|
| 4 | 46 |
15.1%
|
|
| 5 | 5 |
1.6%
|
|
| 6 | 22 |
7.2%
|
|
| 7 | 4 |
1.3%
|
|
| 8 | 28 |
9.2%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 5 |
1.6%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 41 |
13.5%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 16 | 10 |
3.3%
|
|
| 18 | 2 |
0.7%
|
|
| 20 | 17 |
5.6%
|
|
| 24 | 18 |
5.9%
|
|
| 25 | 6 |
2%
|
|
| 26 | 1 |
0.3%
|
|
| 32 | 2 |
0.7%
|
|
| 36 | 3 |
1%
|
|
| Sysmiss | 308 |