| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 |
2.2%
|
|
| 1 | 65 |
3%
|
|
| 2 | 268 |
12.4%
|
|
| 3 | 124 |
5.7%
|
|
| 4 | 651 |
30.1%
|
|
| 5 | 697 |
32.3%
|
|
| 6 | 52 |
2.4%
|
|
| 7 | 255 |
11.8%
|
|
| Sysmiss | 3 |