| Value | Category | Cases | |
|---|---|---|---|
| 0 | 252 |
36.5%
|
|
| 1 | 306 |
44.3%
|
|
| 2 | 80 |
11.6%
|
|
| 3 | 21 |
3%
|
|
| 4 | 17 |
2.5%
|
|
| 5 | 8 |
1.2%
|
|
| 6 | 6 |
0.9%
|
|
| Sysmiss | 8 |