| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 22 |
5.9%
|
| 0 | 13 |
3.5%
|
|
| 1 | 1-2 indicators | 171 |
45.5%
|
| 2 | 3-9 indicators | 117 |
31.1%
|
| 3 | 10 or more indicators | 53 |
14.1%
|
| Sysmiss | 1619 |