| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Much Worse | 21 |
1.8%
|
| 2 | Worse | 56 |
4.7%
|
| 3 | Same | 204 |
17%
|
| 4 | Better | 617 |
51.5%
|
| 5 | Much Better | 218 |
18.2%
|
| 9 | Don't know | 81 |
6.8%
|
| 998 | Refused | 0 |
0%
|