| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very much | 23 |
1.1%
|
| 2 | Much | 55 |
2.7%
|
| 3 | Average | 202 |
10%
|
| 4 | A little | 214 |
10.6%
|
| 5 | Very little | 244 |
12.1%
|
| 6 | I do not know | 1281 |
63.4%
|
| Sysmiss | 3 |