| Value | Category | Cases | |
|---|---|---|---|
| 0 | 43 |
65.2%
|
|
| 8 | 1 |
1.5%
|
|
| 10 | 3 |
4.5%
|
|
| 77 | 19 |
28.8%
|
|
| 99 | Don't know | 0 |
0%
|
| Sysmiss | 1905 |