| Value | Category | Cases | |
|---|---|---|---|
| 0 | 416 |
90.6%
|
|
| 1 | 33 |
7.2%
|
|
| 2 | 2 |
0.4%
|
|
| 3 | 2 |
0.4%
|
|
| 6 | 1 |
0.2%
|
|
| 10 | 2 |
0.4%
|
|
| 12 | 1 |
0.2%
|
|
| 20 | 2 |
0.4%
|
|
| Sysmiss | 3 |