| Value | Category | Cases | |
|---|---|---|---|
| 0 | 468 |
86%
|
|
| 1 | 49 |
9%
|
|
| 2 | 9 |
1.7%
|
|
| 3 | 9 |
1.7%
|
|
| 4 | 4 |
0.7%
|
|
| 5 | 3 |
0.6%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| Sysmiss | 17 |