| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 4097 |
87.8%
|
| 1 | 265 |
5.7%
|
|
| 2 | 103 |
2.2%
|
|
| 3 | 133 |
2.9%
|
|
| 4 | 34 |
0.7%
|
|
| 5 | 13 |
0.3%
|
|
| 6 | very much | 20 |
0.4%
|