| Value | Category | Cases | |
|---|---|---|---|
| 0 | 552 |
86.5%
|
|
| 1 | 13 |
2%
|
|
| 2 | 22 |
3.4%
|
|
| 3 | 17 |
2.7%
|
|
| 4 | 11 |
1.7%
|
|
| 5 | 10 |
1.6%
|
|
| 6 | 4 |
0.6%
|
|
| 7 | 3 |
0.5%
|
|
| 17 | 6 |
0.9%
|
|
| Sysmiss | 2 |