| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much more | 96 |
3.9%
|
| 2 | More | 237 |
9.7%
|
| 3 | Same | 688 |
28.3%
|
| 4 | Less | 830 |
34.1%
|
| 5 | Much less | 439 |
18.1%
|
| 7 | Not applicable | 2 |
0.1%
|
| 9 | Don't know | 139 |
5.7%
|
| 998 | Refused | 0 |
0%
|