| Value | Category | Cases | |
|---|---|---|---|
| 0 | 280 |
79.5%
|
|
| 1 | 31 |
8.8%
|
|
| 2 | 14 |
4%
|
|
| 3 | 1 |
0.3%
|
|
| 5 | 3 |
0.9%
|
|
| 7 | 1 |
0.3%
|
|
| 8 | 11 |
3.1%
|
|
| 9 | 11 |
3.1%
|
|
| Sysmiss | 31509 |