| Value | Category | Cases | |
|---|---|---|---|
| 0 | 83 |
74.8%
|
|
| 1 | 2 |
1.8%
|
|
| 10 | 1 |
0.9%
|
|
| 77 | Don't know | 25 |
22.5%
|
| Sysmiss | 1018 |