| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 204 |
59.3%
|
| 1 | Increase | 45 |
13.1%
|
| 2 | Remain the same | 20 |
5.8%
|
| 3 | Decrease | 75 |
21.8%
|
| Sysmiss | 33 |