| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
1.8%
|
| 1 | 1-2 indicators | 225 |
45.6%
|
| 2 | 3-9 indicators | 217 |
44%
|
| 3 | 10 or more indicators | 42 |
8.5%
|
| Sysmiss | 953 |