| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Too little | 279 |
23.4%
|
| 2 | About the right amount | 84 |
7.1%
|
| 3 | Too much | 163 |
13.7%
|
| 9 | Don't know | 665 |
55.8%
|