| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
0.4%
|
|
| 1 | 809 |
32.7%
|
|
| 2 | 785 |
31.7%
|
|
| 3 | 399 |
16.1%
|
|
| 4 | 293 |
11.8%
|
|
| 5 | 122 |
4.9%
|
|
| 6 | 43 |
1.7%
|
|
| 7 | 16 |
0.6%
|
|
| Sysmiss | 1690 |