| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 29 |
5%
|
| 1 | 285 |
49.4%
|
|
| 2 | 93 |
16.1%
|
|
| 3 | 62 |
10.7%
|
|
| 4 | 27 |
4.7%
|
|
| 5 | 23 |
4%
|
|
| 6 | 15 |
2.6%
|
|
| 7 | 9 |
1.6%
|
|
| 8 | 5 |
0.9%
|
|
| 9 | 6 |
1%
|
|
| 10 | 10 |
1.7%
|
|
| 11 | 2 |
0.3%
|
|
| 12 | 5 |
0.9%
|
|
| 13 | 1 |
0.2%
|
|
| 15 | 4 |
0.7%
|
|
| 22 | 1 |
0.2%
|
|
| Sysmiss | 430 |