| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 1 |
0.1%
|
| 1 | Too much | 617 |
48.3%
|
| 2 | About right | 281 |
22%
|
| 3 | Not enough | 101 |
7.9%
|
| 9 | Don't know | 278 |
21.8%
|