| Value | Category | Cases | |
|---|---|---|---|
| 1 | WASCO | 1923 |
86.6%
|
| 2 | DRWS | 82 |
3.7%
|
| 3 | Other | 55 |
2.5%
|
| 4 | Do not know | 161 |
7.2%
|
| Sysmiss | 13107 |