| Value | Category | Cases | |
|---|---|---|---|
| 0 | 280 |
79.5%
|
|
| 1 | 5 |
1.4%
|
|
| 2 | 11 |
3.1%
|
|
| 3 | 16 |
4.5%
|
|
| 4 | 18 |
5.1%
|
|
| 5 | 19 |
5.4%
|
|
| 6 | 2 |
0.6%
|
|
| 9 | 1 |
0.3%
|
|
| Sysmiss | 31509 |