| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
2.3%
|
|
| 2 | 2 |
0.3%
|
|
| 3 | 31 |
4.7%
|
|
| 4 | 51 |
7.7%
|
|
| 5 | 71 |
10.8%
|
|
| 6 | 51 |
7.7%
|
|
| 7 | 439 |
66.5%
|
|
| Sysmiss | 1 |