| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -55 | Closed before COVID-19 outbreak | 30 |
88.2%
|
| -9 | Don't know (spontaneous) | 1 |
2.9%
|
| 2 | 1 |
2.9%
|
|
| 4 | 1 |
2.9%
|
|
| 5 | 1 |
2.9%
|
|
| Sysmiss | 726 |