| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0.5%
|
|
| 1 | 21 |
2.6%
|
|
| 2 | 26 |
3.2%
|
|
| 3 | 51 |
6.2%
|
|
| 4 | 41 |
5%
|
|
| 5 | 195 |
23.8%
|
|
| 6 | 223 |
27.2%
|
|
| 7 | 258 |
31.5%
|
|
| Sysmiss | 12 |