| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
1%
|
| 1 | 1-2 indicators | 214 |
31.4%
|
| 2 | 3-9 indicators | 388 |
56.9%
|
| 3 | 10 or more indicators | 73 |
10.7%
|
| Sysmiss | 641 |