| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 365 |
41.8%
|
| 2 | Increased | 304 |
34.8%
|
| 3 | Decreased | 134 |
15.3%
|
| 4 | Refused to answer | 70 |
8%
|
| 99 | N/R | 0 |
0%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 326 |