| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | more than sufficient | 289 |
9.7%
|
| 2 | about adequate | 1290 |
43.3%
|
| 3 | insufficient | 1377 |
46.3%
|
| 4 | don't know | 19 |
0.6%
|
| 7 | 1 |
0%
|
|
| 9 | na | 0 |
0%
|
| Sysmiss | 24 |