| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2143 |
97.8%
|
| 2 | No | 25 |
1.1%
|
| 8 | 6 |
0.3%
|
|
| 9 | 17 |
0.8%
|
|
| Sysmiss | 2187 |