| Value | Category | Cases | |
|---|---|---|---|
| 1 | Stayed the same | 744 |
35.7%
|
| 2 | Improved | 1092 |
52.4%
|
| 3 | Declined | 98 |
4.7%
|
| 4 | Don't know | 150 |
7.2%
|
| 17 | 1 |
0%
|
|
| 0 | NR | 51 | |
| 9 | NA | 18 | |
| Sysmiss | 846 |