| Value | Category | Cases | |
|---|---|---|---|
| 0 | 455 |
37.7%
|
|
| 1 | 113 |
9.4%
|
|
| 2 | 211 |
17.5%
|
|
| 3 | 196 |
16.2%
|
|
| 4 | 77 |
6.4%
|
|
| 5 | 55 |
4.6%
|
|
| 6 | 11 |
0.9%
|
|
| 7 | 89 |
7.4%
|
|
| Sysmiss | 4 |