| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
3.8%
|
| 0 | 38 |
7.2%
|
|
| 1 | 164 |
31.2%
|
|
| 2 | 140 |
26.6%
|
|
| 3 | 47 |
8.9%
|
|
| 4 | 6 |
1.1%
|
|
| 5 | 37 |
7%
|
|
| 6 | 5 |
1%
|
|
| 7 | 7 |
1.3%
|
|
| 8 | 6 |
1.1%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 32 |
6.1%
|
|
| 11 | 2 |
0.4%
|
|
| 12 | 2 |
0.4%
|
|
| 13 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 17 |
3.2%
|
|
| Sysmiss | 89 |