| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.4%
|
| 0 | 3 |
1.4%
|
|
| 1 | 10 |
4.6%
|
|
| 2 | 34 |
15.7%
|
|
| 3 | 48 |
22.1%
|
|
| 4 | 37 |
17.1%
|
|
| 5 | 14 |
6.5%
|
|
| 6 | 19 |
8.8%
|
|
| 7 | 2 |
0.9%
|
|
| 8 | 12 |
5.5%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 6 |
2.8%
|
|
| 11 | 11 |
5.1%
|
|
| 12 | 11 |
5.1%
|
|
| 24 | 4 |
1.8%
|
|
| 48 | 1 |
0.5%
|
|
| 72 | 1 |
0.5%
|
|
| Sysmiss | 383 |