| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2224 |
21.7%
|
|
| 1 | 3473 |
33.9%
|
|
| 2 | 2548 |
24.9%
|
|
| 3 | 1375 |
13.4%
|
|
| 4 | 460 |
4.5%
|
|
| 5 | 122 |
1.2%
|
|
| 6 | 25 |
0.2%
|
|
| 7 | 4 |
0%
|
|
| Sysmiss | 1294 |