| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
5.6%
|
|
| 1 | 6 |
33.3%
|
|
| 2 | 5 |
27.8%
|
|
| 3 | 1 |
5.6%
|
|
| 4 | 1 |
5.6%
|
|
| 6 | 1 |
5.6%
|
|
| 20 | 1 |
5.6%
|
|
| 88 | Don't know | 2 |
11.1%
|
| Sysmiss | 1413 |