| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 558 |
65.4%
|
| 2 | Increased | 86 |
10.1%
|
| 3 | Decreased | 83 |
9.7%
|
| 4 | Refused to answer | 126 |
14.8%
|
| 99 | N/R | 0 |
0%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 346 |