| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
11.3%
|
| 0 | 33 |
34%
|
|
| 1 | 16 |
16.5%
|
|
| 2 | 9 |
9.3%
|
|
| 3 | 4 |
4.1%
|
|
| 4 | 3 |
3.1%
|
|
| 5 | 3 |
3.1%
|
|
| 6 | 2 |
2.1%
|
|
| 7 | 1 |
1%
|
|
| 9 | 3 |
3.1%
|
|
| 10 | 2 |
2.1%
|
|
| 18 | 1 |
1%
|
|
| 22 | 1 |
1%
|
|
| 25 | 1 |
1%
|
|
| 30 | 1 |
1%
|
|
| 31 | 1 |
1%
|
|
| 35 | 1 |
1%
|
|
| 42 | 1 |
1%
|
|
| 45 | 1 |
1%
|
|
| 88 | 1 |
1%
|
|
| 300 | 1 |
1%
|
|
| Sysmiss | 223 |