| Value | Category | Cases | |
|---|---|---|---|
| 0 | 302 |
33.6%
|
|
| 1 | 178 |
19.8%
|
|
| 2 | 126 |
14%
|
|
| 3 | 110 |
12.2%
|
|
| 4 | 73 |
8.1%
|
|
| 5 | 48 |
5.3%
|
|
| 6 | 34 |
3.8%
|
|
| 7 | 28 |
3.1%
|
|
| Sysmiss | 156 |