| Value | Category | Cases | |
|---|---|---|---|
| 0 | option not selected | 2606 |
79.6%
|
| 1 | other government source | 561 |
17.1%
|
| 98 | don't know | 95 |
2.9%
|
| 99 | refused | 11 |
0.3%
|
| Sysmiss | 1987 |