| Value | Category | Cases | |
|---|---|---|---|
| 1 | WASA | 2319 |
88.8%
|
| 2 | DRWS | 116 |
4.4%
|
| 3 | Other | 32 |
1.2%
|
| 4 | Do not know | 145 |
5.6%
|
| Sysmiss | 14769 |