| Value | Category | Cases | |
|---|---|---|---|
| 0 | 268 |
76.6%
|
|
| 1 | 15 |
4.3%
|
|
| 2 | 20 |
5.7%
|
|
| 3 | 10 |
2.9%
|
|
| 4 | 11 |
3.1%
|
|
| 5 | 5 |
1.4%
|
|
| 6 | 10 |
2.9%
|
|
| 7 | 11 |
3.1%
|
|
| Sysmiss | 233 |