| Value | Category | Cases | |
|---|---|---|---|
| 0 | 506 |
53%
|
|
| 1 | 57 |
6%
|
|
| 2 | 152 |
15.9%
|
|
| 3 | 129 |
13.5%
|
|
| 4 | 41 |
4.3%
|
|
| 5 | 18 |
1.9%
|
|
| 6 | 3 |
0.3%
|
|
| 7 | 49 |
5.1%
|
|
| Sysmiss | 922 |