| Value | Category | Cases | |
|---|---|---|---|
| 0 | 304 |
66.7%
|
|
| 1 | 23 |
5%
|
|
| 2 | 46 |
10.1%
|
|
| 3 | 52 |
11.4%
|
|
| 4 | 20 |
4.4%
|
|
| 5 | 3 |
0.7%
|
|
| 7 | 8 |
1.8%
|
|
| Sysmiss | 65 |