| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 180 |
5.4%
|
| 2 | No | 3139 |
94.1%
|
| 8 | 16 |
0.5%
|
|
| 9 | 2 |
0.1%
|
|
| Sysmiss | 470 |