| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 27 |
3.3%
|
| 1 | 240 |
29.4%
|
|
| 2 | 206 |
25.2%
|
|
| 3 | 148 |
18.1%
|
|
| 4 | 83 |
10.2%
|
|
| 5 | 42 |
5.1%
|
|
| 6 | 30 |
3.7%
|
|
| 7 | 11 |
1.3%
|
|
| 8 | 9 |
1.1%
|
|
| 9 | 2 |
0.2%
|
|
| 10 | 8 |
1%
|
|
| 11 | 2 |
0.2%
|
|
| 12 | 3 |
0.4%
|
|
| 15 | 3 |
0.4%
|
|
| 17 | 1 |
0.1%
|
|
| 19 | 1 |
0.1%
|
|
| 30 | 1 |
0.1%
|
|
| Sysmiss | 170 |