| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 2 |
0.7%
|
| -88 | Refused | 0 |
0%
|
| 1 | Via testing | 228 |
75.2%
|
| 2 | Via doctor without testing | 50 |
16.5%
|
| 3 | Without testing | 23 |
7.6%
|
| Missing value | 915 |