| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much more | 115 |
9.6%
|
| 2 | More | 167 |
13.9%
|
| 3 | Same | 485 |
40.4%
|
| 4 | Less | 233 |
19.4%
|
| 5 | Much less | 97 |
8.1%
|
| 7 | Not applicable | 16 |
1.3%
|
| 9 | Don't know | 87 |
7.3%
|
| 998 | Refused | 0 |
0%
|