| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.7%
|
|
| 1 | 230 |
42.4%
|
|
| 2 | 260 |
47.9%
|
|
| 3 | 31 |
5.7%
|
|
| 4 | 13 |
2.4%
|
|
| 5 | 1 |
0.2%
|
|
| 6 | 4 |
0.7%
|
|
| Sysmiss | 18 |