| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 |
4.5%
|
|
| 1 | 5 |
0.8%
|
|
| 2 | 11 |
1.8%
|
|
| 3 | 13 |
2.1%
|
|
| 4 | 18 |
2.9%
|
|
| 5 | 22 |
3.5%
|
|
| 6 | 21 |
3.4%
|
|
| 7 | 505 |
81.1%
|
|
| Sysmiss | 24 |