| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.6%
|
|
| 1 | 18 |
2.7%
|
|
| 2 | 34 |
5.1%
|
|
| 3 | 45 |
6.8%
|
|
| 4 | 15 |
2.3%
|
|
| 5 | 38 |
5.7%
|
|
| 6 | 23 |
3.5%
|
|
| 7 | 486 |
73.3%
|
|
| Sysmiss | 1 |