| Value | Category | Cases | |
|---|---|---|---|
| 0 | 376 |
31.2%
|
|
| 1 | 146 |
12.1%
|
|
| 2 | 178 |
14.7%
|
|
| 3 | 241 |
20%
|
|
| 4 | 111 |
9.2%
|
|
| 5 | 74 |
6.1%
|
|
| 6 | 22 |
1.8%
|
|
| 7 | 59 |
4.9%
|
|
| Sysmiss | 4 |