| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 32 |
31.7%
|
|
| 1 | 33 |
32.7%
|
|
| 2 | 19 |
18.8%
|
|
| 3 | 6 |
5.9%
|
|
| 4 | 6 |
5.9%
|
|
| 5 | 2 |
2%
|
|
| 6 | 1 |
1%
|
|
| 9 | 1 |
1%
|
|
| 11 | 1 |
1%
|
|
| Sysmiss | 118 |