| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
4.9%
|
| 1 | 1-2 indicators | 47 |
25.5%
|
| 2 | 3-9 indicators | 98 |
53.3%
|
| 3 | 10 or more indicators | 30 |
16.3%
|
| Sysmiss | 178 |