| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
6.7%
|
| -4 | Too many to count | 56 |
47.1%
|
| 0 | 8 |
6.7%
|
|
| 1 | 9 |
7.6%
|
|
| 2 | 9 |
7.6%
|
|
| 3 | 8 |
6.7%
|
|
| 4 | 4 |
3.4%
|
|
| 5 | 6 |
5%
|
|
| 6 | 3 |
2.5%
|
|
| 7 | 1 |
0.8%
|
|
| 10 | 1 |
0.8%
|
|
| 11 | 1 |
0.8%
|
|
| 12 | 1 |
0.8%
|
|
| 15 | 1 |
0.8%
|
|
| 20 | 2 |
1.7%
|
|
| 25 | 1 |
0.8%
|
|
| Sysmiss | 241 |