| Value | Category | Cases | |
|---|---|---|---|
| 0 | 188 |
9.7%
|
|
| 1 | 553 |
28.6%
|
|
| 2 | 639 |
33%
|
|
| 3 | 273 |
14.1%
|
|
| 4 | 176 |
9.1%
|
|
| 5 | 63 |
3.3%
|
|
| 6 | 25 |
1.3%
|
|
| 7 | 17 |
0.9%
|
|
| Sysmiss | 571 |