| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 17 |
3.1%
|
| 2 | No | 529 |
95.7%
|
| 3 | 6 |
1.1%
|
|
| 99 | 1 |
0.2%
|
|
| Sysmiss | 1028 |