| Value | Category | Cases | |
|---|---|---|---|
| 0 | 426 |
91.2%
|
|
| 1 | 8 |
1.7%
|
|
| 2 | 13 |
2.8%
|
|
| 3 | 7 |
1.5%
|
|
| 4 | 5 |
1.1%
|
|
| 5 | 6 |
1.3%
|
|
| 7 | 2 |
0.4%
|
|
| Sysmiss | 250 |