| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2443 |
56%
|
| 1 | Yes | 207 |
4.7%
|
| 2 | 189 |
4.3%
|
|
| 9 | 1523 |
34.9%
|
|
| Sysmiss | 1529 |