| Value | Category | Cases | |
|---|---|---|---|
| 0 | 532 |
3.2%
|
|
| 1 | 896 |
5.4%
|
|
| 2 | 1420 |
8.6%
|
|
| 3 | 2036 |
12.4%
|
|
| 4 | 2504 |
15.2%
|
|
| 5 | 2899 |
17.6%
|
|
| 6 | 2971 |
18%
|
|
| 7 | 3215 |
19.5%
|
|
| Sysmiss | 97 |