| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 90 |
64.7%
|
| 1 | 17 |
12.2%
|
|
| 2 | 24 |
17.3%
|
|
| 3 | 4 |
2.9%
|
|
| 4 | 2 |
1.4%
|
|
| 6 | 2 |
1.4%
|
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4831 |