| Value | Category | Cases | |
|---|---|---|---|
| -99 | (Don't read) Don't know | 301 |
37.6%
|
| 1 | Increased | 238 |
29.8%
|
| 2 | Remained the same | 260 |
32.5%
|
| 3 | Decreased | 1 |
0.1%
|