| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
6.7%
|
| 1 | 1-2 indicators | 168 |
51.5%
|
| 2 | 3-9 indicators | 115 |
35.3%
|
| 3 | 10 or more indicators | 21 |
6.4%
|
| Sysmiss | 1043 |