| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | more than sufficient | 79 |
2.7%
|
| 2 | about adequate | 1363 |
45.9%
|
| 3 | insufficient | 1506 |
50.8%
|
| 4 | don't know | 18 |
0.6%
|
| 5 | 1 |
0%
|
|
| 9 | na | 0 |
0%
|
| Sysmiss | 33 |