| Value | Category | Cases | |
|---|---|---|---|
| 0 | 539 |
80.4%
|
|
| 1 | 71 |
10.6%
|
|
| 2 | 38 |
5.7%
|
|
| 3 | 7 |
1%
|
|
| 4 | 5 |
0.7%
|
|
| 5 | 10 |
1.5%
|
|
| Sysmiss | 83 |