| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 123 |
19.9%
|
| 1 | Increase | 18 |
2.9%
|
| 2 | Remain the same | 388 |
62.7%
|
| 3 | Decrease | 90 |
14.5%
|
| Sysmiss | 186 |