| Value | Category | Cases | |
|---|---|---|---|
| 0 | not at all | 4127 |
88.5%
|
| 1 | 266 |
5.7%
|
|
| 2 | 84 |
1.8%
|
|
| 3 | 118 |
2.5%
|
|
| 4 | 32 |
0.7%
|
|
| 5 | 16 |
0.3%
|
|
| 6 | very much | 22 |
0.5%
|