| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 189 |
3.3%
|
| -8 | Refused | 2 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Increased | 1010 |
17.6%
|
| 2 | Decreased | 827 |
14.4%
|
| 3 | Stayed the same | 3696 |
64.6%
|
| Sysmiss | 2327 |