| Value | Category | Cases | |
|---|---|---|---|
| 0 | 315 |
18.8%
|
|
| 1 | 515 |
30.7%
|
|
| 2 | 358 |
21.3%
|
|
| 3 | 249 |
14.8%
|
|
| 4 | 81 |
4.8%
|
|
| 5 | 59 |
3.5%
|
|
| 6 | 25 |
1.5%
|
|
| 7 | 76 |
4.5%
|
|
| Sysmiss | 77 |