| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1.4%
|
|
| 1 | Yes | 11 |
3.8%
|
| 2 | No | 270 |
94.4%
|
| 3 | 1 |
0.3%
|
|
| Sysmiss | 535 |