| Value | Category | Cases | |
|---|---|---|---|
| -99 | (Don't read) Don't know | 99 |
12.4%
|
| 1 | Increased | 258 |
32.3%
|
| 2 | Remained the same | 440 |
55%
|
| 3 | Decreased | 3 |
0.4%
|