| Value | Category | Cases | |
|---|---|---|---|
| 0 | 565 |
71.3%
|
|
| 1 | 76 |
9.6%
|
|
| 2 | 95 |
12%
|
|
| 3 | 29 |
3.7%
|
|
| 4 | 19 |
2.4%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 2 |
0.3%
|
|
| 7 | 4 |
0.5%
|
|
| Sysmiss | 1030 |