| Value | Category | Cases | |
|---|---|---|---|
| 0 | 668 |
43.4%
|
|
| 1 | 610 |
39.6%
|
|
| 2 | 182 |
11.8%
|
|
| 3 | 51 |
3.3%
|
|
| 4 | 21 |
1.4%
|
|
| 5 | 7 |
0.5%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 295 |