| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
1.9%
|
|
| 1 | 138 |
20.1%
|
|
| 2 | 212 |
30.8%
|
|
| 3 | 239 |
34.7%
|
|
| 4 | 28 |
4.1%
|
|
| 5 | 20 |
2.9%
|
|
| 6 | 5 |
0.7%
|
|
| 7 | 33 |
4.8%
|
|
| Sysmiss | 13946 |