| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than sufficient | 157 |
5.8%
|
| 2 | About adequate | 1141 |
42.4%
|
| 3 | Insufficient | 1344 |
50%
|
| 4 | Don't know | 47 |
1.7%
|
| 7 | 1 |
0%
|
|
| 0 | NR | 38 | |
| 9 | NA | 267 | |
| Sysmiss | 5 |