| Value | Category | Cases | |
|---|---|---|---|
| 0 | 317 |
24.1%
|
|
| 1 | 202 |
15.3%
|
|
| 2 | 282 |
21.4%
|
|
| 3 | 222 |
16.9%
|
|
| 4 | 110 |
8.4%
|
|
| 5 | 87 |
6.6%
|
|
| 6 | 16 |
1.2%
|
|
| 7 | 81 |
6.2%
|
|
| Sysmiss | 1 |