| Value | Category | Cases | |
|---|---|---|---|
| 1 | Declining | 566 |
3.7%
|
| 2 | Same | 8307 |
54.2%
|
| 3 | Improving | 5757 |
37.6%
|
| 9 | Don't know | 693 |
4.5%
|
| Sysmiss | 9337 |