| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes,with certificate | 3121 |
34.1%
|
| 2 | Yes without certificate | 1634 |
17.9%
|
| 3 | No | 517 |
5.7%
|
| 4 | 3875 |
42.4%
|
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 72631 |