| Value | Category | Cases | |
|---|---|---|---|
| 0 | 170 |
43.1%
|
|
| 1 | 39 |
9.9%
|
|
| 2 | 46 |
11.7%
|
|
| 3 | 37 |
9.4%
|
|
| 4 | 20 |
5.1%
|
|
| 5 | 19 |
4.8%
|
|
| 6 | 11 |
2.8%
|
|
| 7 | 52 |
13.2%
|
|
| Sysmiss | 374 |