| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 29 |
32.6%
|
| 1 | 2 |
2.2%
|
|
| 2 | 5 |
5.6%
|
|
| 3 | 4 |
4.5%
|
|
| 5 | 11 |
12.4%
|
|
| 7 | 1 |
1.1%
|
|
| 10 | 8 |
9%
|
|
| 12 | 2 |
2.2%
|
|
| 13 | 1 |
1.1%
|
|
| 14 | 1 |
1.1%
|
|
| 15 | 2 |
2.2%
|
|
| 20 | 3 |
3.4%
|
|
| 50 | 14 |
15.7%
|
|
| 60 | 1 |
1.1%
|
|
| 70 | 2 |
2.2%
|
|
| 99 | 1 |
1.1%
|
|
| 100 | 2 |
2.2%
|
|
| Sysmiss | 909 |