| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
1.7%
|
| 1 | 209 |
36%
|
|
| 2 | 192 |
33%
|
|
| 3 | 58 |
10%
|
|
| 4 | 16 |
2.8%
|
|
| 5 | 30 |
5.2%
|
|
| 6 | 7 |
1.2%
|
|
| 8 | 2 |
0.3%
|
|
| 10 | 22 |
3.8%
|
|
| 12 | 27 |
4.6%
|
|
| 15 | 2 |
0.3%
|
|
| 20 | 2 |
0.3%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 200 | 1 |
0.2%
|
|
| Sysmiss | 417 |