| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Much more | 64 |
5.3%
|
| 2 | More | 158 |
13.2%
|
| 3 | Same | 346 |
28.8%
|
| 4 | Less | 245 |
20.4%
|
| 5 | Much less | 59 |
4.9%
|
| 7 | Not applicable | 189 |
15.8%
|
| 9 | Don't know | 138 |
11.5%
|
| 998 | Refused | 0 |
0%
|