| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to respond | 2 |
2%
|
| -98 | Don’t know | 2 |
2%
|
| 0 | No | 36 |
35.3%
|
| 1 | Yes, increased | 20 |
19.6%
|
| 2 | Yes, decreased | 42 |
41.2%
|
| 11 | .Z | 843 |