| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 62 |
28.6%
|
| 0 | 13 |
6%
|
|
| 1 | 40 |
18.4%
|
|
| 2 | 39 |
18%
|
|
| 3 | 8 |
3.7%
|
|
| 4 | 8 |
3.7%
|
|
| 5 | 18 |
8.3%
|
|
| 6 | 1 |
0.5%
|
|
| 8 | 3 |
1.4%
|
|
| 10 | 9 |
4.1%
|
|
| 11 | 1 |
0.5%
|
|
| 12 | 1 |
0.5%
|
|
| 15 | 4 |
1.8%
|
|
| 16 | 2 |
0.9%
|
|
| 17 | 1 |
0.5%
|
|
| 20 | 3 |
1.4%
|
|
| 50 | 1 |
0.5%
|
|
| 100 | 3 |
1.4%
|
|
| Sysmiss | 1508 |