| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased | 609 |
50.8%
|
| 2 | Decreased | 100 |
8.3%
|
| 3 | No change | 137 |
11.4%
|
| 4 | Don't know | 305 |
25.4%
|
| 5 | Refused to answer | 42 |
3.5%
|
| 99 | N/R | 6 |
0.5%
|