| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 89 |
9.9%
|
| 2 | Improved | 802 |
89.5%
|
| 3 | Worsened | 5 |
0.6%
|
| 8 | Don't know | 0 |
0%
|
| 9 | 9 | ||
| Sysmiss | 9465 |