| Value | Category | Cases | |
|---|---|---|---|
| 0 | 129 |
18.5%
|
|
| 1 | 238 |
34.2%
|
|
| 2 | 212 |
30.5%
|
|
| 3 | 78 |
11.2%
|
|
| 4 | 26 |
3.7%
|
|
| 5 | 8 |
1.1%
|
|
| 6 | 5 |
0.7%
|
|
| Sysmiss | 411 |