| Value | Category | Cases | |
|---|---|---|---|
| 0 | 572 |
30.5%
|
|
| 1 | 91 |
4.9%
|
|
| 2 | 156 |
8.3%
|
|
| 3 | 191 |
10.2%
|
|
| 4 | 191 |
10.2%
|
|
| 5 | 80 |
4.3%
|
|
| 6 | 591 |
31.6%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 230 |