| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much more | 63 |
4.7%
|
| 2 | More | 165 |
12.2%
|
| 3 | Same | 636 |
47.1%
|
| 4 | Less | 121 |
9%
|
| 5 | Much less | 34 |
2.5%
|
| 7 | Not applicable | 23 |
1.7%
|
| 9 | Don't know | 308 |
22.8%
|
| 998 | Refused | 0 |
0%
|