| Value | Category | Cases | |
|---|---|---|---|
| 1 | Good | 151 |
19.8%
|
| 2 | Usable | 385 |
50.4%
|
| 3 | Poor | 228 |
29.8%
|
| 8 | Other | 0 |
0%
|
| Sysmiss | 354 |