| Value | Category | Cases | |
|---|---|---|---|
| 0 | 580 |
38.4%
|
|
| 1 | 853 |
56.4%
|
|
| 2 | 48 |
3.2%
|
|
| 3 | 19 |
1.3%
|
|
| 4 | 7 |
0.5%
|
|
| 5 | 5 |
0.3%
|
|
| Sysmiss | 51 |