| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.5%
|
|
| 1 | 1 | 74 |
18.5%
|
| 2 | 2 | 322 |
80.7%
|
| 8 | 3 | 0 |
0%
|
| 9 | 4 | 1 |
0.3%
|
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 8 | 0 | |
| Sysmiss | 1 |