| Value | Category | Cases | |
|---|---|---|---|
| -99 | (Don't read) Don't know | 405 |
43.9%
|
| 1 | Increased | 198 |
21.5%
|
| 2 | Remained the same | 318 |
34.5%
|
| 3 | Decreased | 2 |
0.2%
|