| Value | Category | Cases | |
|---|---|---|---|
| 0 | 87 |
4.1%
|
|
| 1 | 395 |
18.6%
|
|
| 2 | 431 |
20.3%
|
|
| 3 | 557 |
26.2%
|
|
| 4 | 194 |
9.1%
|
|
| 5 | 166 |
7.8%
|
|
| 6 | 52 |
2.4%
|
|
| 7 | 246 |
11.6%
|
|
| Sysmiss | 99 |