| Value | Category | Cases | |
|---|---|---|---|
| 0 | 303 |
20.4%
|
|
| 1 | 166 |
11.2%
|
|
| 2 | 183 |
12.3%
|
|
| 3 | 203 |
13.6%
|
|
| 4 | 177 |
11.9%
|
|
| 5 | 172 |
11.6%
|
|
| 6 | 112 |
7.5%
|
|
| 7 | 78 |
5.2%
|
|
| 8 | 94 |
6.3%
|
|
| Sysmiss | 2 |