| Value | Category | Cases | |
|---|---|---|---|
| 0 | 418 |
27.8%
|
|
| 1 | 308 |
20.5%
|
|
| 2 | 255 |
17%
|
|
| 3 | 157 |
10.5%
|
|
| 4 | 124 |
8.3%
|
|
| 5 | 114 |
7.6%
|
|
| 6 | 126 |
8.4%
|
|
| Sysmiss | 3 |