| Value | Category | Cases | |
|---|---|---|---|
| 0 | 579 |
52.3%
|
|
| 1 | 458 |
41.4%
|
|
| 2 | 50 |
4.5%
|
|
| 3 | 14 |
1.3%
|
|
| 4 | 3 |
0.3%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 5953 |