| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
3%
|
|
| 1 | 39 |
6.4%
|
|
| 2 | 64 |
10.5%
|
|
| 3 | 66 |
10.9%
|
|
| 4 | 35 |
5.8%
|
|
| 5 | 130 |
21.4%
|
|
| 6 | 105 |
17.3%
|
|
| 7 | 150 |
24.7%
|
|
| Sysmiss | 681 |