| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
6.1%
|
|
| 2 | 307 |
89.8%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 2 |
0.6%
|
|
| 8 | 10 |
2.9%
|
|
| Sysmiss | 2401 |