| 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) | 191 |
36.7%
|
| 1 | Increase | 5 |
1%
|
| 2 | Remain the same | 273 |
52.4%
|
| 3 | Decrease | 52 |
10%
|
| Sysmiss | 251 |