| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5 |
25%
|
|
| 2 | 2 |
10%
|
|
| 3 | 2 |
10%
|
|
| 4 | 2 |
10%
|
|
| 5 | 1 |
5%
|
|
| 7 | 1 |
5%
|
|
| 8 | 1 |
5%
|
|
| 12 | 5 |
25%
|
|
| 99 | 99. Don't know | 1 |
5%
|
| Sysmiss | 979 |