| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 1 | very happy | 25 |
1.9%
|
| 2 | ++ | 64 |
4.7%
|
| 3 | + | 131 |
9.7%
|
| 4 | = | 379 |
28.1%
|
| 5 | - | 369 |
27.3%
|
| 6 | -- | 243 |
18%
|
| 7 | not at all happy | 117 |
8.7%
|
| 9 | don't know | 22 |
1.6%
|