| Value | Category | Cases | |
|---|---|---|---|
| 0 | 304 |
46.8%
|
|
| 1 | 180 |
27.7%
|
|
| 2 | 107 |
16.5%
|
|
| 3 | 38 |
5.8%
|
|
| 4 | 3 |
0.5%
|
|
| 5 | 11 |
1.7%
|
|
| 6 | 7 |
1.1%
|
|
| Sysmiss | 28713 |