| Value | Category | Cases | |
|---|---|---|---|
| 0 | 630 |
47%
|
|
| 1 | 434 |
32.4%
|
|
| 2 | 191 |
14.3%
|
|
| 3 | 57 |
4.3%
|
|
| 4 | 19 |
1.4%
|
|
| 5 | 8 |
0.6%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 160 |