| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 0 |
0%
|
| 1 | Too much | 164 |
12.8%
|
| 2 | About right | 253 |
19.8%
|
| 3 | Not enough | 281 |
22%
|
| 9 | Don't know | 580 |
45.4%
|