| Value | Category | Cases | |
|---|---|---|---|
| 0 | 268 |
77.9%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 9 |
2.6%
|
|
| 3 | 6 |
1.7%
|
|
| 4 | 7 |
2%
|
|
| 5 | 22 |
6.4%
|
|
| 6 | 20 |
5.8%
|
|
| 7 | 10 |
2.9%
|
|
| Sysmiss | 239 |