| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very much | 15 |
0.7%
|
| 2 | Much | 44 |
2.2%
|
| 3 | Average | 228 |
11.3%
|
| 4 | A little | 252 |
12.5%
|
| 5 | Very little | 212 |
10.5%
|
| 6 | I do not know | 1265 |
62.7%
|
| Sysmiss | 6 |