| Value | Category | Cases | |
|---|---|---|---|
| 0 | 384 |
27.9%
|
|
| 1 | 149 |
10.8%
|
|
| 2 | 323 |
23.5%
|
|
| 3 | 224 |
16.3%
|
|
| 4 | 136 |
9.9%
|
|
| 5 | 110 |
8%
|
|
| 6 | 20 |
1.5%
|
|
| 7 | 28 |
2%
|
|
| Sysmiss | 2 |