| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 67 | 196129 |
5.1%
|
| 1 | Yes | 494 | 1475911 |
38.3%
|
| 99 | Not stated | 761 | 2177282 |
56.6%
|
| Sysmiss | 9594 | 27918596 |