| Value | Category | Cases | |
|---|---|---|---|
| 1 | Stayed the same | 387 |
18.5%
|
| 2 | Improved | 1249 |
59.8%
|
| 3 | Declined | 187 |
9%
|
| 4 | Don't know | 263 |
12.6%
|
| 13 | 1 |
0%
|
|
| 0 | NR | 53 | |
| 9 | NA | 18 | |
| Sysmiss | 842 |