| Value | Category | Cases | |
|---|---|---|---|
| 0 | 653 |
55.1%
|
|
| 1 | 247 |
20.8%
|
|
| 2 | 171 |
14.4%
|
|
| 3 | 76 |
6.4%
|
|
| 4 | 30 |
2.5%
|
|
| 5 | 9 |
0.8%
|
|
| Sysmiss | 1831 |