| Value | Category | Cases | |
|---|---|---|---|
| 0 | 107 |
23.9%
|
|
| 1 | 286 |
64%
|
|
| 2 | 33 |
7.4%
|
|
| 3 | 12 |
2.7%
|
|
| 4 | 7 |
1.6%
|
|
| 7 | 1 |
0.2%
|
|
| 9 | 1 |
0.2%
|
|
| Sysmiss | 5684 |