| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
10%
|
|
| 9 | 1 |
10%
|
|
| 11 | 1 |
10%
|
|
| 13 | 1 |
10%
|
|
| 18 | 2 |
20%
|
|
| 19 | 1 |
10%
|
|
| 23 | 1 |
10%
|
|
| 27 | 1 |
10%
|
|
| 28 | 1 |
10%
|
|
| 97 | Inconsistent | 0 |
0%
|
| 98 | Don't know | 0 |
0%
|
| Sysmiss | 31069 |