| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2015 |
32.7%
|
|
| 1 | 889 |
14.4%
|
|
| 2 | 1330 |
21.6%
|
|
| 3 | 930 |
15.1%
|
|
| 4 | 442 |
7.2%
|
|
| 5 | 303 |
4.9%
|
|
| 6 | 79 |
1.3%
|
|
| 7 | 169 |
2.7%
|
|
| Sysmiss | 14 |