| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 3973 | 8140865 |
67.4%
|
| 1 | Yes | 1838 | 3870690 |
32.1%
|
| 8 | 15 | 28325 |
0.2%
|
|
| 99 | Not stated | 17 | 36975 |
0.3%
|
| Sysmiss | 9186 | 17841215 |