| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 1 | Much more | 60 |
5%
|
| 2 | More | 173 |
14.4%
|
| 3 | Same | 586 |
48.9%
|
| 4 | Less | 181 |
15.1%
|
| 5 | Much less | 31 |
2.6%
|
| 7 | Not applicable | 27 |
2.3%
|
| 9 | Don't know | 138 |
11.5%
|
| 998 | Refused | 0 |
0%
|