| Value | Category | Cases | |
|---|---|---|---|
| 0 | 304 |
47.4%
|
|
| 1 | 174 |
27.1%
|
|
| 2 | 97 |
15.1%
|
|
| 3 | 32 |
5%
|
|
| 4 | 4 |
0.6%
|
|
| 5 | 20 |
3.1%
|
|
| 6 | 3 |
0.5%
|
|
| 7 | 7 |
1.1%
|
|
| Sysmiss | 36 |