| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 123 |
3.9%
|
| 1 | Yes, with certificate | 2839 |
89.4%
|
| 2 | Yes, without certificate | 179 |
5.6%
|
| 3 | Yes, both | 35 |
1.1%
|
| 777 | Respondent does not want to respond | 0 |
0%
|
| 888 | Not applicable | 0 |
0%
|
| 999 | Don't know | 0 |
0%
|