| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than sufficient | 59 |
2.3%
|
| 2 | About adequate | 941 |
36.8%
|
| 3 | Insufficient | 1507 |
58.9%
|
| 4 | Don't know | 49 |
1.9%
|
| 6 | 1 |
0%
|
|
| 0 | NR | 51 | |
| 9 | NA | 387 | |
| Sysmiss | 5 |