| Value | Category | Cases | |
|---|---|---|---|
| 0 | 410 |
57.2%
|
|
| 1 | 246 |
34.3%
|
|
| 2 | 48 |
6.7%
|
|
| 3 | 9 |
1.3%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 1340 |