| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
1.3%
|
| 1 | 59 |
18.6%
|
|
| 2 | 86 |
27.1%
|
|
| 3 | 50 |
15.8%
|
|
| 4 | 32 |
10.1%
|
|
| 5 | 34 |
10.7%
|
|
| 6 | 13 |
4.1%
|
|
| 8 | 6 |
1.9%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 16 |
5%
|
|
| 12 | 11 |
3.5%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 3 |
0.9%
|
|
| Sysmiss | 47 |