| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 3628 | 7381455 |
61.1%
|
| 1 | Yes | 2185 | 4630861 |
38.3%
|
| 8 | 13 | 27563 |
0.2%
|
|
| 99 | Not stated | 17 | 36975 |
0.3%
|
| Sysmiss | 9186 | 17841215 |