| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to respond | 0 |
0%
|
| -98 | Don't know | 8 |
11.4%
|
| 1 | Increased | 13 |
18.6%
|
| 2 | No change | 7 |
10%
|
| 3 | Decreased | 42 |
60%
|
| Sysmiss | 555 |