| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 115 |
92%
|
| 1 | 3 |
2.4%
|
|
| 4 | 1 |
0.8%
|
|
| 5 | 2 |
1.6%
|
|
| 6 | 3 |
2.4%
|
|
| 10 | 1 |
0.8%
|
|
| Sysmiss | 61 |