| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 297 |
34%
|
| 2 | Increased | 208 |
23.8%
|
| 3 | Decreased | 312 |
35.7%
|
| 4 | Refused to answer | 56 |
6.4%
|
| 99 | N/R | 0 |
0%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 326 |