| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 40 |
34.8%
|
| 0 | 1 |
0.9%
|
|
| 1 | 2 |
1.7%
|
|
| 2 | 6 |
5.2%
|
|
| 3 | 2 |
1.7%
|
|
| 5 | 17 |
14.8%
|
|
| 7 | 2 |
1.7%
|
|
| 10 | 10 |
8.7%
|
|
| 15 | 3 |
2.6%
|
|
| 20 | 5 |
4.3%
|
|
| 21 | 1 |
0.9%
|
|
| 25 | 5 |
4.3%
|
|
| 26 | 1 |
0.9%
|
|
| 30 | 6 |
5.2%
|
|
| 32 | 1 |
0.9%
|
|
| 35 | 2 |
1.7%
|
|
| 38 | 1 |
0.9%
|
|
| 40 | 1 |
0.9%
|
|
| 45 | 2 |
1.7%
|
|
| 50 | 3 |
2.6%
|
|
| 60 | 2 |
1.7%
|
|
| 70 | 2 |
1.7%
|
|
| Sysmiss | 260 |