| Value | Category | Cases | |
|---|---|---|---|
| 0 | 151 |
21.9%
|
|
| 1 | 307 |
44.5%
|
|
| 2 | 170 |
24.6%
|
|
| 3 | 55 |
8%
|
|
| 4 | 6 |
0.9%
|
|
| 5 | 1 |
0.1%
|
|
| Sysmiss | 310 |