| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.8%
|
| 1 | 1-2 indicators | 45 |
36.6%
|
| 2 | 3-9 indicators | 42 |
34.1%
|
| 3 | 10 or more indicators | 35 |
28.5%
|
| Sysmiss | 409 |