| Value | Category | Cases | |
|---|---|---|---|
| 1 | WASCO | 2043 |
81.6%
|
| 2 | DRWS | 173 |
6.9%
|
| 3 | Other | 125 |
5%
|
| 4 | Do not know | 163 |
6.5%
|
| Sysmiss | 13821 |