| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
10%
|
|
| 3 | 1 |
10%
|
|
| 5 | 1 |
10%
|
|
| 6 | 3 |
30%
|
|
| 7 | 1 |
10%
|
|
| 9 | 1 |
10%
|
|
| 10 | 1 |
10%
|
|
| 11 | 1 |
10%
|
|
| 99 | 99. don't know | 0 |
0%
|
| Sysmiss | 89 |