| Value | Category | Cases | |
|---|---|---|---|
| 1 | WASA | 2189 |
92.2%
|
| 2 | DRWS | 40 |
1.7%
|
| 3 | Other | 0 |
0%
|
| 4 | Do not know | 145 |
6.1%
|
| Sysmiss | 15178 |