| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
16.3%
|
| -4 | Too many to count | 18 |
41.9%
|
| 1 | 4 |
9.3%
|
|
| 2 | 4 |
9.3%
|
|
| 3 | 2 |
4.7%
|
|
| 4 | 3 |
7%
|
|
| 5 | 3 |
7%
|
|
| 6 | 1 |
2.3%
|
|
| 15 | 1 |
2.3%
|
|
| Sysmiss | 6 |