| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 5 |
1.8%
|
| 2 | No | 262 |
96.7%
|
| 98 | 2 |
0.7%
|
|
| 99 | 2 |
0.7%
|
|
| Sysmiss | 44 |