| Value | Category | Cases | |
|---|---|---|---|
| 0 | 379 |
71.1%
|
|
| 1 | 129 |
24.2%
|
|
| 2 | 14 |
2.6%
|
|
| 3 | 8 |
1.5%
|
|
| 4 | 2 |
0.4%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 28 |