| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 566 |
66.3%
|
| 2 | Increased | 83 |
9.7%
|
| 3 | Decreased | 90 |
10.5%
|
| 4 | Refused to answer | 115 |
13.5%
|
| 99 | N/R | 0 |
0%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 345 |