| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 76 |
4.4%
|
| 2 | No | 1596 |
91.7%
|
| 88 | 66 |
3.8%
|
|
| 99 | 3 |
0.2%
|
|
| Sysmiss | 258 |