| Value | Category | Cases | |
|---|---|---|---|
| 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%
|
|
| 0 | NR | 10 | |
| 9 | NA | 9 | |
| Sysmiss | 5 |