| Value | Category | Cases | |
|---|---|---|---|
| 0 | 285 |
52.6%
|
|
| 1 | 224 |
41.3%
|
|
| 2 | 28 |
5.2%
|
|
| 3 | 3 |
0.6%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| Sysmiss | 19 |