| Value | Category | Cases | |
|---|---|---|---|
| 0 | 32 |
4.2%
|
|
| 1 | 28 |
3.6%
|
|
| 2 | 21 |
2.7%
|
|
| 3 | 55 |
7.2%
|
|
| 4 | 124 |
16.1%
|
|
| 5 | 207 |
27%
|
|
| 6 | 138 |
18%
|
|
| 7 | 163 |
21.2%
|
|
| Sysmiss | 37 |