| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cost too much | 507 |
3.3%
|
| 2 | Must travel too far | 1590 |
10.4%
|
| 3 | Did not know he/she should be registered | 3220 |
21.2%
|
| 4 | Did not consider it important | 5439 |
35.7%
|
| 5 | Does not know where to register | 2471 |
16.2%
|
| 6 | Others specify | 1531 |
10.1%
|
| 8 | DK | 459 |
3%
|
| Sysmiss | 13361 |