| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -55 | Closed before COVID-19 outbreak | 40 |
87%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 1 |
2.2%
|
|
| 3 | 2 |
4.3%
|
|
| 4 | 2 |
4.3%
|
|
| 6 | 1 |
2.2%
|
|
| Sysmiss | 1277 |