| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| 1 | 1-2 indicators | 37 |
20.7%
|
| 2 | 3-9 indicators | 105 |
58.7%
|
| 3 | 10 or more indicators | 36 |
20.1%
|
| Sysmiss | 179 |