| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 53 |
22.1%
|
| -7 | Does not apply (spontaneous) | 18 |
7.5%
|
| 1 | Increase | 50 |
20.8%
|
| 2 | Remain the same | 83 |
34.6%
|
| 3 | Decrease | 36 |
15%
|
| Sysmiss | 119 |