| Value | Category | Cases | |
|---|---|---|---|
| 0 | 538 |
26.9%
|
|
| 1 | 312 |
15.6%
|
|
| 2 | 414 |
20.7%
|
|
| 3 | 310 |
15.5%
|
|
| 4 | 207 |
10.4%
|
|
| 5 | 66 |
3.3%
|
|
| 6 | 20 |
1%
|
|
| 7 | 132 |
6.6%
|
|
| Sysmiss | 1 |