| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.9%
|
| 1 | 1-2 indicators | 62 |
57.4%
|
| 2 | 3-9 indicators | 35 |
32.4%
|
| 3 | 10 or more indicators | 10 |
9.3%
|
| Sysmiss | 269 |