| Value | Category | Cases | |
|---|---|---|---|
| 0 | 208 |
12.5%
|
|
| 1 | 664 |
39.9%
|
|
| 2 | 473 |
28.4%
|
|
| 3 | 160 |
9.6%
|
|
| 4 | 91 |
5.5%
|
|
| 5 | 30 |
1.8%
|
|
| 6 | 40 |
2.4%
|
|
| Sysmiss | 301 |