| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 10 |
20%
|
|
| 3 | 14 |
28%
|
|
| 4 | 4 |
8%
|
|
| 5 | 4 |
8%
|
|
| 6 | 2 |
4%
|
|
| 7 | 1 |
2%
|
|
| 8 | 2 |
4%
|
|
| 9 | 1 |
2%
|
|
| 10 | 2 |
4%
|
|
| 11 | 2 |
4%
|
|
| 12 | 2 |
4%
|
|
| 13 | 1 |
2%
|
|
| 18 | 1 |
2%
|
|
| 24 | 1 |
2%
|
|
| 35 | 1 |
2%
|
|
| 36 | 1 |
2%
|
|
| 84 | 1 |
2%
|
|
| Sysmiss | 190 |