| Value | Category | Cases | |
|---|---|---|---|
| 0 | Option not selected | 3057 |
96.2%
|
| 1 | Other source | 12 |
0.4%
|
| 98 | Don't know | 95 |
3%
|
| 99 | Refused | 15 |
0.5%
|
| Sysmiss | 1597 |