| Value | Category | Cases | |
|---|---|---|---|
| -99 | refused to answer | 0 |
0%
|
| 0 | No | 2 |
1.3%
|
| 1 | Yes | 4 |
2.5%
|
| 999 | Not Applicable | 152 |
96.2%
|
| Sysmiss | 1 |