| Value | Category | Cases | |
|---|---|---|---|
| 0 | 350 |
77.1%
|
|
| 1 | 85 |
18.7%
|
|
| 2 | 14 |
3.1%
|
|
| 3 | 2 |
0.4%
|
|
| 4 | 2 |
0.4%
|
|
| 8 | 1 |
0.2%
|
|
| Sysmiss | 2580 |