| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
30%
|
|
| 1 | 2 |
20%
|
|
| 2 | 1 |
10%
|
|
| 4 | 3 |
30%
|
|
| 9 | 1 |
10%
|
|
| 97 | inconsistent | 0 |
0%
|
| 98 | dk | 0 |
0%
|
| Sysmiss | 15975 |