| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 106 |
4.6%
|
| 2 | No | 2178 |
95.1%
|
| 8 | 5 |
0.2%
|
|
| 9 | 2 |
0.1%
|
|
| Sysmiss | 461 |