| Value | Category | Cases | |
|---|---|---|---|
| 0 | 443 |
81.9%
|
|
| 1 | 65 |
12%
|
|
| 2 | 27 |
5%
|
|
| 3 | 4 |
0.7%
|
|
| 5 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| Sysmiss | 20 |