| Value | Category | Cases | |
|---|---|---|---|
| 0 | 830 |
21.8%
|
|
| 1 | 174 |
4.6%
|
|
| 2 | 336 |
8.8%
|
|
| 3 | 396 |
10.4%
|
|
| 4 | 335 |
8.8%
|
|
| 5 | 463 |
12.2%
|
|
| 6 | 427 |
11.2%
|
|
| 7 | 849 |
22.3%
|
|
| Sysmiss | 128 |