| Value | Category | Cases | |
|---|---|---|---|
| 0 | 484 |
31.6%
|
|
| 1 | 675 |
44%
|
|
| 2 | 271 |
17.7%
|
|
| 3 | 63 |
4.1%
|
|
| 4 | 29 |
1.9%
|
|
| 5 | 8 |
0.5%
|
|
| 6 | 3 |
0.2%
|
|
| Sysmiss | 1210 |