| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
4.6%
|
| 1 | 1-2 indicators | 37 |
34.3%
|
| 2 | 3-9 indicators | 45 |
41.7%
|
| 3 | 10 or more indicators | 21 |
19.4%
|
| Sysmiss | 473 |