| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
2.5%
|
| 1 | 1-2 indicators | 22 |
10.9%
|
| 2 | 3-9 indicators | 92 |
45.5%
|
| 3 | 10 or more indicators | 83 |
41.1%
|
| Sysmiss | 157 |