| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 1 |
0.2%
|
| -7 | Does not apply (spontaneous) | 286 |
54%
|
| 1 | Increase | 22 |
4.2%
|
| 2 | Remain the same | 126 |
23.8%
|
| 3 | Decrease | 95 |
17.9%
|
| Sysmiss | 70 |