| Value | Category | Cases | |
|---|---|---|---|
| 9 | 1 |
10%
|
|
| 20 | 1 |
10%
|
|
| 21 | 1 |
10%
|
|
| 23 | 1 |
10%
|
|
| 26 | 1 |
10%
|
|
| 32 | 2 |
20%
|
|
| 58 | 1 |
10%
|
|
| 79 | 1 |
10%
|
|
| 86 | 1 |
10%
|
|
| 99 | 99. Don't know | 0 |
0%
|
| Sysmiss | 989 |