| Value | Category | Cases | |
|---|---|---|---|
| 0 | 578 |
53.6%
|
|
| 1 | 272 |
25.2%
|
|
| 2 | 115 |
10.7%
|
|
| 3 | 66 |
6.1%
|
|
| 4 | 27 |
2.5%
|
|
| 5 | 14 |
1.3%
|
|
| 6 | 6 |
0.6%
|
|
| Sysmiss | 1 |