| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 5069 | 5132 |
94.8%
|
| 1 | Knows no source | 253 | 282 |
5.2%
|
| 9 | 24 | 29 | ||
| Sysmiss | 5276 | 4978 |