| Value | Category | Cases | |
|---|---|---|---|
| 88 | 242 |
22.6%
|
|
| 89 | 765 |
71.4%
|
|
| 90 | 58 |
5.4%
|
|
| 99 | Not reported | 7 |
0.7%
|
| Sysmiss | 656 |