| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.7%
|
| 1 | 8 |
6.9%
|
|
| 2 | 6 |
5.2%
|
|
| 3 | 6 |
5.2%
|
|
| 4 | 2 |
1.7%
|
|
| 5 | 11 |
9.5%
|
|
| 7 | 18 |
15.5%
|
|
| 8 | 1 |
0.9%
|
|
| 10 | 9 |
7.8%
|
|
| 14 | 11 |
9.5%
|
|
| 15 | 4 |
3.4%
|
|
| 20 | 2 |
1.7%
|
|
| 21 | 5 |
4.3%
|
|
| 25 | 1 |
0.9%
|
|
| 28 | 1 |
0.9%
|
|
| 30 | 11 |
9.5%
|
|
| 31 | 1 |
0.9%
|
|
| 35 | 1 |
0.9%
|
|
| 42 | 1 |
0.9%
|
|
| 56 | 1 |
0.9%
|
|
| 60 | 8 |
6.9%
|
|
| 90 | 5 |
4.3%
|
|
| 120 | 1 |
0.9%
|
|
| Sysmiss | 204 |