| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
10%
|
|
| 2 | 2 |
20%
|
|
| 5 | 1 |
10%
|
|
| 6 | 1 |
10%
|
|
| 7 | 2 |
20%
|
|
| 9 | 1 |
10%
|
|
| 11 | 1 |
10%
|
|
| 12 | 1 |
10%
|
|
| 99 | 99. Don't know | 0 |
0%
|
| Sysmiss | 912 |