| Value | Category | Cases | |
|---|---|---|---|
| 1 | Stayed the same | 823 |
39.7%
|
| 2 | Improved | 957 |
46.2%
|
| 3 | Declined | 91 |
4.4%
|
| 4 | Don't know | 201 |
9.7%
|
| 0 | NR | 62 | |
| 9 | NA | 19 | |
| Sysmiss | 847 |