| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
2%
|
| 0 | None | 2 |
4.1%
|
| 1 | 25 |
51%
|
|
| 2 | 12 |
24.5%
|
|
| 3 | 2 |
4.1%
|
|
| 5 | 2 |
4.1%
|
|
| 6 | 1 |
2%
|
|
| 10 | 2 |
4.1%
|
|
| 30 | 1 |
2%
|
|
| 85 | 1 |
2%
|
|
| Sysmiss | 108 |