| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
22.5%
|
| 1 | 1 |
1.4%
|
|
| 2 | 1 |
1.4%
|
|
| 5 | 2 |
2.8%
|
|
| 7 | 1 |
1.4%
|
|
| 10 | 5 |
7%
|
|
| 11 | 1 |
1.4%
|
|
| 12 | 1 |
1.4%
|
|
| 15 | 1 |
1.4%
|
|
| 20 | 4 |
5.6%
|
|
| 30 | 4 |
5.6%
|
|
| 40 | 3 |
4.2%
|
|
| 50 | 5 |
7%
|
|
| 52 | 1 |
1.4%
|
|
| 70 | 1 |
1.4%
|
|
| 100 | 24 |
33.8%
|
|
| Sysmiss | 1229 |