| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 7722 | 15835108 |
56.7%
|
| 1 | Yes | 5957 | 11695127 |
41.9%
|
| 8 | 173 | 353264 |
1.3%
|
|
| 99 | Not stated | 9 | 23424 |
0.1%
|
| Sysmiss | 1168 | 2011146 |