| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4128 |
37.1%
|
|
| 1 | 2836 |
25.5%
|
|
| 2 | 2441 |
21.9%
|
|
| 3 | 1205 |
10.8%
|
|
| 4 | 407 |
3.7%
|
|
| 5 | 105 |
0.9%
|
|
| 7 | 7 |
0.1%
|
|
| Sysmiss | 674 |