| Value | Category | Cases | |
|---|---|---|---|
| 0 | 227 |
26.9%
|
|
| 1 | 465 |
55.1%
|
|
| 2 | 115 |
13.6%
|
|
| 3 | 27 |
3.2%
|
|
| 4 | 8 |
0.9%
|
|
| 5 | 2 |
0.2%
|
|
| Sysmiss | 2539 |