| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 2162 |
4.4%
|
| 2 | Well | 4110 |
8.4%
|
| 3 | Less | 5007 |
10.2%
|
| 4 | Don't Know | 37829 |
77%
|
| Sysmiss | 28653 |