| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 28 |
0.8%
|
| 1 | Yes | 133 |
4%
|
| 2 | 53 |
1.6%
|
|
| 5 | 3 |
0.1%
|
|
| 9 | 3135 |
93.5%
|
|
| Sysmiss | 2539 |