| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
2.8%
|
|
| 1 | In person | 136 |
94.4%
|
| 2 | 1 |
0.7%
|
|
| 4 | 2 |
1.4%
|
|
| 9 | Others | 1 |
0.7%
|
| Sysmiss | 6297 |