| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 696 | 1306361 |
9.6%
|
| 1 | Yes | 446 | 901517 |
6.6%
|
| 99 | Not stated | 5781 | 11371050 |
83.7%
|
| Sysmiss | 8106 | 16339142 |