| Value | Category | Cases | |
|---|---|---|---|
| -3 | illegal missing | 0 |
0%
|
| -2 | dont know | 0 |
0%
|
| -1 | refuse | 0 |
0%
|
| 1 | Abundant | 1 |
1.6%
|
| 2 | Sufficient | 33 |
54.1%
|
| 3 | Barely sufficient | 9 |
14.8%
|
| 4 | Insufficient | 11 |
18%
|
| 5 | Not sufficient at all | 7 |
11.5%
|
| Sysmiss | 964 |