| Value | Category | Cases | |
|---|---|---|---|
| 0 | 520 |
28.3%
|
|
| 1 | 785 |
42.7%
|
|
| 2 | 345 |
18.8%
|
|
| 3 | 135 |
7.3%
|
|
| 4 | 39 |
2.1%
|
|
| 5 | 11 |
0.6%
|
|
| 6 | 5 |
0.3%
|
|
| Sysmiss | 295 |